Home / 49,103.81-67,765.21-27,885.05

Finding the Fourth Proportional to 49,103.81, 67,765.21 and 27,885.05

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Solution

The fourth proportional to 49,103.81, 67,765.21 and 27,885.05 is: 38,482.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,103.81 : 67,765.21 = 27,885.05 : x
  2. Step 2: Convert to fraction form
    49,103.81/67,765.21 = 27,885.05/x
  3. Step 3: Cross multiply
    49,103.81x = 67,765.21 × 27,885.05
  4. Step 4: Simplify right side
    49,103.81x = 1,889,636,269.11
  5. Step 5: Solve for x
    x = 1,889,636,269.11/49,103.81
  6. Step 6: Final answer
    x = 38,482.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.