Home / 125,550.48-173,216.76-71,815.92

Finding the Fourth Proportional to 125,550.48, 173,216.76 and 71,815.92

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Solution

The fourth proportional to 125,550.48, 173,216.76 and 71,815.92 is: 99,081.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,550.48 : 173,216.76 = 71,815.92 : x
  2. Step 2: Convert to fraction form
    125,550.48/173,216.76 = 71,815.92/x
  3. Step 3: Cross multiply
    125,550.48x = 173,216.76 × 71,815.92
  4. Step 4: Simplify right side
    125,550.48x = 12,439,720,978.82
  5. Step 5: Solve for x
    x = 12,439,720,978.82/125,550.48
  6. Step 6: Final answer
    x = 99,081.43

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1.5x scale

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.