Home / 115,440.40-173,074.20-62,909.20

Finding the Fourth Proportional to 115,440.40, 173,074.20 and 62,909.20

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Solution

The fourth proportional to 115,440.40, 173,074.20 and 62,909.20 is: 94,316.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,440.40 : 173,074.20 = 62,909.20 : x
  2. Step 2: Convert to fraction form
    115,440.40/173,074.20 = 62,909.20/x
  3. Step 3: Cross multiply
    115,440.40x = 173,074.20 × 62,909.20
  4. Step 4: Simplify right side
    115,440.40x = 10,887,959,462.64
  5. Step 5: Solve for x
    x = 10,887,959,462.64/115,440.40
  6. Step 6: Final answer
    x = 94,316.72

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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.