Home / 75,306.84-112,960.65-25,387.38

Finding the Fourth Proportional to 75,306.84, 112,960.65 and 25,387.38

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Solution

The fourth proportional to 75,306.84, 112,960.65 and 25,387.38 is: 38,081.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,306.84 : 112,960.65 = 25,387.38 : x
  2. Step 2: Convert to fraction form
    75,306.84/112,960.65 = 25,387.38/x
  3. Step 3: Cross multiply
    75,306.84x = 112,960.65 × 25,387.38
  4. Step 4: Simplify right side
    75,306.84x = 2,867,774,946.60
  5. Step 5: Solve for x
    x = 2,867,774,946.60/75,306.84
  6. Step 6: Final answer
    x = 38,081.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.