Home / 83,384.46-115,070.63-45,144.04

Finding the Fourth Proportional to 83,384.46, 115,070.63 and 45,144.04

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Solution

The fourth proportional to 83,384.46, 115,070.63 and 45,144.04 is: 62,298.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,384.46 : 115,070.63 = 45,144.04 : x
  2. Step 2: Convert to fraction form
    83,384.46/115,070.63 = 45,144.04/x
  3. Step 3: Cross multiply
    83,384.46x = 115,070.63 × 45,144.04
  4. Step 4: Simplify right side
    83,384.46x = 5,194,752,926.60
  5. Step 5: Solve for x
    x = 5,194,752,926.60/83,384.46
  6. Step 6: Final answer
    x = 62,298.81

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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.