Home / 102,625.17-141,625.14-57,301.62

Finding the Fourth Proportional to 102,625.17, 141,625.14 and 57,301.62

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Solution

The fourth proportional to 102,625.17, 141,625.14 and 57,301.62 is: 79,077.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,625.17 : 141,625.14 = 57,301.62 : x
  2. Step 2: Convert to fraction form
    102,625.17/141,625.14 = 57,301.62/x
  3. Step 3: Cross multiply
    102,625.17x = 141,625.14 × 57,301.62
  4. Step 4: Simplify right side
    102,625.17x = 8,115,349,954.73
  5. Step 5: Solve for x
    x = 8,115,349,954.73/102,625.17
  6. Step 6: Final answer
    x = 79,077.58

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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.