Home / 74,195.85-102,425.75-42,358.61

Finding the Fourth Proportional to 74,195.85, 102,425.75 and 42,358.61

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Solution

The fourth proportional to 74,195.85, 102,425.75 and 42,358.61 is: 58,475.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,195.85 : 102,425.75 = 42,358.61 : x
  2. Step 2: Convert to fraction form
    74,195.85/102,425.75 = 42,358.61/x
  3. Step 3: Cross multiply
    74,195.85x = 102,425.75 × 42,358.61
  4. Step 4: Simplify right side
    74,195.85x = 4,338,611,674.29
  5. Step 5: Solve for x
    x = 4,338,611,674.29/74,195.85
  6. Step 6: Final answer
    x = 58,475.13

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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.