Home / 102,626.17-141,626.52-57,302.62

Finding the Fourth Proportional to 102,626.17, 141,626.52 and 57,302.62

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Solution

The fourth proportional to 102,626.17, 141,626.52 and 57,302.62 is: 79,078.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,626.17 : 141,626.52 = 57,302.62 : x
  2. Step 2: Convert to fraction form
    102,626.17/141,626.52 = 57,302.62/x
  3. Step 3: Cross multiply
    102,626.17x = 141,626.52 × 57,302.62
  4. Step 4: Simplify right side
    102,626.17x = 8,115,570,657.48
  5. Step 5: Solve for x
    x = 8,115,570,657.48/102,626.17
  6. Step 6: Final answer
    x = 79,078.96

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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.