Home / 83,432.84-115,136.64-45,191.52

Finding the Fourth Proportional to 83,432.84, 115,136.64 and 45,191.52

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Solution

The fourth proportional to 83,432.84, 115,136.64 and 45,191.52 is: 62,363.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,432.84 : 115,136.64 = 45,191.52 : x
  2. Step 2: Convert to fraction form
    83,432.84/115,136.64 = 45,191.52/x
  3. Step 3: Cross multiply
    83,432.84x = 115,136.64 × 45,191.52
  4. Step 4: Simplify right side
    83,432.84x = 5,203,199,769.29
  5. Step 5: Solve for x
    x = 5,203,199,769.29/83,432.84
  6. Step 6: Final answer
    x = 62,363.93

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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.