Home / 104,892.17-144,752.67-57,146.31

Finding the Fourth Proportional to 104,892.17, 144,752.67 and 57,146.31

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Solution

The fourth proportional to 104,892.17, 144,752.67 and 57,146.31 is: 78,862.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,892.17 : 144,752.67 = 57,146.31 : x
  2. Step 2: Convert to fraction form
    104,892.17/144,752.67 = 57,146.31/x
  3. Step 3: Cross multiply
    104,892.17x = 144,752.67 × 57,146.31
  4. Step 4: Simplify right side
    104,892.17x = 8,272,080,953.15
  5. Step 5: Solve for x
    x = 8,272,080,953.15/104,892.17
  6. Step 6: Final answer
    x = 78,862.72

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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.