Home / 74,785.28-103,197.85-42,948.02

Finding the Fourth Proportional to 74,785.28, 103,197.85 and 42,948.02

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Solution

The fourth proportional to 74,785.28, 103,197.85 and 42,948.02 is: 59,264.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,785.28 : 103,197.85 = 42,948.02 : x
  2. Step 2: Convert to fraction form
    74,785.28/103,197.85 = 42,948.02/x
  3. Step 3: Cross multiply
    74,785.28x = 103,197.85 × 42,948.02
  4. Step 4: Simplify right side
    74,785.28x = 4,432,143,476.38
  5. Step 5: Solve for x
    x = 4,432,143,476.38/74,785.28
  6. Step 6: Final answer
    x = 59,264.92

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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.