Home / 74,519.38-102,836.23-42,260.10

Finding the Fourth Proportional to 74,519.38, 102,836.23 and 42,260.10

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Solution

The fourth proportional to 74,519.38, 102,836.23 and 42,260.10 is: 58,318.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,519.38 : 102,836.23 = 42,260.10 : x
  2. Step 2: Convert to fraction form
    74,519.38/102,836.23 = 42,260.10/x
  3. Step 3: Cross multiply
    74,519.38x = 102,836.23 × 42,260.10
  4. Step 4: Simplify right side
    74,519.38x = 4,345,869,363.42
  5. Step 5: Solve for x
    x = 4,345,869,363.42/74,519.38
  6. Step 6: Final answer
    x = 58,318.65

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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.