Home / 74,260.94-102,480.28-42,429.74

Finding the Fourth Proportional to 74,260.94, 102,480.28 and 42,429.74

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Solution

The fourth proportional to 74,260.94, 102,480.28 and 42,429.74 is: 58,553.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,260.94 : 102,480.28 = 42,429.74 : x
  2. Step 2: Convert to fraction form
    74,260.94/102,480.28 = 42,429.74/x
  3. Step 3: Cross multiply
    74,260.94x = 102,480.28 × 42,429.74
  4. Step 4: Simplify right side
    74,260.94x = 4,348,211,635.53
  5. Step 5: Solve for x
    x = 4,348,211,635.53/74,260.94
  6. Step 6: Final answer
    x = 58,553.15

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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.