Home / 88,126.14-121,614.12-47,839.90

Finding the Fourth Proportional to 88,126.14, 121,614.12 and 47,839.90

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Solution

The fourth proportional to 88,126.14, 121,614.12 and 47,839.90 is: 66,019.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,126.14 : 121,614.12 = 47,839.90 : x
  2. Step 2: Convert to fraction form
    88,126.14/121,614.12 = 47,839.90/x
  3. Step 3: Cross multiply
    88,126.14x = 121,614.12 × 47,839.90
  4. Step 4: Simplify right side
    88,126.14x = 5,818,007,339.39
  5. Step 5: Solve for x
    x = 5,818,007,339.39/88,126.14
  6. Step 6: Final answer
    x = 66,019.09

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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.