Home / 125,767.77-173,572.25-72,059.91

Finding the Fourth Proportional to 125,767.77, 173,572.25 and 72,059.91

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Solution

The fourth proportional to 125,767.77, 173,572.25 and 72,059.91 is: 99,449.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,767.77 : 173,572.25 = 72,059.91 : x
  2. Step 2: Convert to fraction form
    125,767.77/173,572.25 = 72,059.91/x
  3. Step 3: Cross multiply
    125,767.77x = 173,572.25 × 72,059.91
  4. Step 4: Simplify right side
    125,767.77x = 12,507,600,713.50
  5. Step 5: Solve for x
    x = 12,507,600,713.50/125,767.77
  6. Step 6: Final answer
    x = 99,449.97

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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.