Home / 69,237.49-103,856.23-21,885.84

Finding the Fourth Proportional to 69,237.49, 103,856.23 and 21,885.84

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Solution

The fourth proportional to 69,237.49, 103,856.23 and 21,885.84 is: 32,828.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,237.49 : 103,856.23 = 21,885.84 : x
  2. Step 2: Convert to fraction form
    69,237.49/103,856.23 = 21,885.84/x
  3. Step 3: Cross multiply
    69,237.49x = 103,856.23 × 21,885.84
  4. Step 4: Simplify right side
    69,237.49x = 2,272,980,603.58
  5. Step 5: Solve for x
    x = 2,272,980,603.58/69,237.49
  6. Step 6: Final answer
    x = 32,828.76

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.