Home / 124,752.83-172,159.44-68,165.42

Finding the Fourth Proportional to 124,752.83, 172,159.44 and 68,165.42

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Solution

The fourth proportional to 124,752.83, 172,159.44 and 68,165.42 is: 94,068.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,752.83 : 172,159.44 = 68,165.42 : x
  2. Step 2: Convert to fraction form
    124,752.83/172,159.44 = 68,165.42/x
  3. Step 3: Cross multiply
    124,752.83x = 172,159.44 × 68,165.42
  4. Step 4: Simplify right side
    124,752.83x = 11,735,320,534.56
  5. Step 5: Solve for x
    x = 11,735,320,534.56/124,752.83
  6. Step 6: Final answer
    x = 94,068.57

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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.