Home / 125,744.79-173,564.64-74,793.36

Finding the Fourth Proportional to 125,744.79, 173,564.64 and 74,793.36

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Solution

The fourth proportional to 125,744.79, 173,564.64 and 74,793.36 is: 103,236.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,744.79 : 173,564.64 = 74,793.36 : x
  2. Step 2: Convert to fraction form
    125,744.79/173,564.64 = 74,793.36/x
  3. Step 3: Cross multiply
    125,744.79x = 173,564.64 × 74,793.36
  4. Step 4: Simplify right side
    125,744.79x = 12,981,482,602.79
  5. Step 5: Solve for x
    x = 12,981,482,602.79/125,744.79
  6. Step 6: Final answer
    x = 103,236.74

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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.