Home / 106,748.22-147,312.57-59,001.57

Finding the Fourth Proportional to 106,748.22, 147,312.57 and 59,001.57

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Solution

The fourth proportional to 106,748.22, 147,312.57 and 59,001.57 is: 81,422.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,748.22 : 147,312.57 = 59,001.57 : x
  2. Step 2: Convert to fraction form
    106,748.22/147,312.57 = 59,001.57/x
  3. Step 3: Cross multiply
    106,748.22x = 147,312.57 × 59,001.57
  4. Step 4: Simplify right side
    106,748.22x = 8,691,672,910.73
  5. Step 5: Solve for x
    x = 8,691,672,910.73/106,748.22
  6. Step 6: Final answer
    x = 81,422.18

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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.