Home / 115,355.75-173,060.53-39,454.88

Finding the Fourth Proportional to 115,355.75, 173,060.53 and 39,454.88

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Solution

The fourth proportional to 115,355.75, 173,060.53 and 39,454.88 is: 59,191.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,355.75 : 173,060.53 = 39,454.88 : x
  2. Step 2: Convert to fraction form
    115,355.75/173,060.53 = 39,454.88/x
  3. Step 3: Cross multiply
    115,355.75x = 173,060.53 × 39,454.88
  4. Step 4: Simplify right side
    115,355.75x = 6,828,081,627.90
  5. Step 5: Solve for x
    x = 6,828,081,627.90/115,355.75
  6. Step 6: Final answer
    x = 59,191.52

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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.