Home / 124,860.15-172,318.26-71,162.47

Finding the Fourth Proportional to 124,860.15, 172,318.26 and 71,162.47

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Solution

The fourth proportional to 124,860.15, 172,318.26 and 71,162.47 is: 98,210.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,860.15 : 172,318.26 = 71,162.47 : x
  2. Step 2: Convert to fraction form
    124,860.15/172,318.26 = 71,162.47/x
  3. Step 3: Cross multiply
    124,860.15x = 172,318.26 × 71,162.47
  4. Step 4: Simplify right side
    124,860.15x = 12,262,592,520.67
  5. Step 5: Solve for x
    x = 12,262,592,520.67/124,860.15
  6. Step 6: Final answer
    x = 98,210.62

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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.