Home / 70,140.49-105,211.02-17,549.83

Finding the Fourth Proportional to 70,140.49, 105,211.02 and 17,549.83

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Solution

The fourth proportional to 70,140.49, 105,211.02 and 17,549.83 is: 26,324.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,140.49 : 105,211.02 = 17,549.83 : x
  2. Step 2: Convert to fraction form
    70,140.49/105,211.02 = 17,549.83/x
  3. Step 3: Cross multiply
    70,140.49x = 105,211.02 × 17,549.83
  4. Step 4: Simplify right side
    70,140.49x = 1,846,435,515.13
  5. Step 5: Solve for x
    x = 1,846,435,515.13/70,140.49
  6. Step 6: Final answer
    x = 26,324.82

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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.