Home / 125,381.19-173,038.20-71,655.94

Finding the Fourth Proportional to 125,381.19, 173,038.20 and 71,655.94

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Solution

The fourth proportional to 125,381.19, 173,038.20 and 71,655.94 is: 98,892.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,381.19 : 173,038.20 = 71,655.94 : x
  2. Step 2: Convert to fraction form
    125,381.19/173,038.20 = 71,655.94/x
  3. Step 3: Cross multiply
    125,381.19x = 173,038.20 × 71,655.94
  4. Step 4: Simplify right side
    125,381.19x = 12,399,214,876.91
  5. Step 5: Solve for x
    x = 12,399,214,876.91/125,381.19
  6. Step 6: Final answer
    x = 98,892.15

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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.