Home / 77,387.47-106,817.52-50,534.17

Finding the Fourth Proportional to 77,387.47, 106,817.52 and 50,534.17

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Solution

The fourth proportional to 77,387.47, 106,817.52 and 50,534.17 is: 69,752.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,387.47 : 106,817.52 = 50,534.17 : x
  2. Step 2: Convert to fraction form
    77,387.47/106,817.52 = 50,534.17/x
  3. Step 3: Cross multiply
    77,387.47x = 106,817.52 × 50,534.17
  4. Step 4: Simplify right side
    77,387.47x = 5,397,934,714.66
  5. Step 5: Solve for x
    x = 5,397,934,714.66/77,387.47
  6. Step 6: Final answer
    x = 69,752.05

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1.5x scale

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.