Home / 75,423.52-104,085.12-41,432.70

Finding the Fourth Proportional to 75,423.52, 104,085.12 and 41,432.70

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Solution

The fourth proportional to 75,423.52, 104,085.12 and 41,432.70 is: 57,177.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,423.52 : 104,085.12 = 41,432.70 : x
  2. Step 2: Convert to fraction form
    75,423.52/104,085.12 = 41,432.70/x
  3. Step 3: Cross multiply
    75,423.52x = 104,085.12 × 41,432.70
  4. Step 4: Simplify right side
    75,423.52x = 4,312,527,278.58
  5. Step 5: Solve for x
    x = 4,312,527,278.58/75,423.52
  6. Step 6: Final answer
    x = 57,177.49

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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.