Home / 125,740.47-173,518.38-69,151.89

Finding the Fourth Proportional to 125,740.47, 173,518.38 and 69,151.89

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Solution

The fourth proportional to 125,740.47, 173,518.38 and 69,151.89 is: 95,427.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,740.47 : 173,518.38 = 69,151.89 : x
  2. Step 2: Convert to fraction form
    125,740.47/173,518.38 = 69,151.89/x
  3. Step 3: Cross multiply
    125,740.47x = 173,518.38 × 69,151.89
  4. Step 4: Simplify right side
    125,740.47x = 11,999,123,926.74
  5. Step 5: Solve for x
    x = 11,999,123,926.74/125,740.47
  6. Step 6: Final answer
    x = 95,427.70

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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.