Home / 102,410.57-141,387.14-91,048.62

Finding the Fourth Proportional to 102,410.57, 141,387.14 and 91,048.62

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Solution

The fourth proportional to 102,410.57, 141,387.14 and 91,048.62 is: 125,700.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,410.57 : 141,387.14 = 91,048.62 : x
  2. Step 2: Convert to fraction form
    102,410.57/141,387.14 = 91,048.62/x
  3. Step 3: Cross multiply
    102,410.57x = 141,387.14 × 91,048.62
  4. Step 4: Simplify right side
    102,410.57x = 12,873,102,820.57
  5. Step 5: Solve for x
    x = 12,873,102,820.57/102,410.57
  6. Step 6: Final answer
    x = 125,700.92

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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.