Home / 99,260.45-136,984.68-56,248.29

Finding the Fourth Proportional to 99,260.45, 136,984.68 and 56,248.29

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Solution

The fourth proportional to 99,260.45, 136,984.68 and 56,248.29 is: 77,625.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,260.45 : 136,984.68 = 56,248.29 : x
  2. Step 2: Convert to fraction form
    99,260.45/136,984.68 = 56,248.29/x
  3. Step 3: Cross multiply
    99,260.45x = 136,984.68 × 56,248.29
  4. Step 4: Simplify right side
    99,260.45x = 7,705,154,006.20
  5. Step 5: Solve for x
    x = 7,705,154,006.20/99,260.45
  6. Step 6: Final answer
    x = 77,625.62

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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.