Home / 74,535.76-102,857.68-42,723.40

Finding the Fourth Proportional to 74,535.76, 102,857.68 and 42,723.40

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Solution

The fourth proportional to 74,535.76, 102,857.68 and 42,723.40 is: 58,957.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,535.76 : 102,857.68 = 42,723.40 : x
  2. Step 2: Convert to fraction form
    74,535.76/102,857.68 = 42,723.40/x
  3. Step 3: Cross multiply
    74,535.76x = 102,857.68 × 42,723.40
  4. Step 4: Simplify right side
    74,535.76x = 4,394,429,805.71
  5. Step 5: Solve for x
    x = 4,394,429,805.71/74,535.76
  6. Step 6: Final answer
    x = 58,957.34

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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.