Home / 76,427.40-114,641.10-58,931.40

Finding the Fourth Proportional to 76,427.40, 114,641.10 and 58,931.40

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Solution

The fourth proportional to 76,427.40, 114,641.10 and 58,931.40 is: 88,397.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,427.40 : 114,641.10 = 58,931.40 : x
  2. Step 2: Convert to fraction form
    76,427.40/114,641.10 = 58,931.40/x
  3. Step 3: Cross multiply
    76,427.40x = 114,641.10 × 58,931.40
  4. Step 4: Simplify right side
    76,427.40x = 6,755,960,520.54
  5. Step 5: Solve for x
    x = 6,755,960,520.54/76,427.40
  6. Step 6: Final answer
    x = 88,397.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.