Home / 78,334.38-108,101.18-42,524.14

Finding the Fourth Proportional to 78,334.38, 108,101.18 and 42,524.14

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Solution

The fourth proportional to 78,334.38, 108,101.18 and 42,524.14 is: 58,683.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,334.38 : 108,101.18 = 42,524.14 : x
  2. Step 2: Convert to fraction form
    78,334.38/108,101.18 = 42,524.14/x
  3. Step 3: Cross multiply
    78,334.38x = 108,101.18 × 42,524.14
  4. Step 4: Simplify right side
    78,334.38x = 4,596,909,712.49
  5. Step 5: Solve for x
    x = 4,596,909,712.49/78,334.38
  6. Step 6: Final answer
    x = 58,683.17

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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.