Home / 124,895.10-187,342.65-40,663.20

Finding the Fourth Proportional to 124,895.10, 187,342.65 and 40,663.20

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Solution

The fourth proportional to 124,895.10, 187,342.65 and 40,663.20 is: 60,994.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,895.10 : 187,342.65 = 40,663.20 : x
  2. Step 2: Convert to fraction form
    124,895.10/187,342.65 = 40,663.20/x
  3. Step 3: Cross multiply
    124,895.10x = 187,342.65 × 40,663.20
  4. Step 4: Simplify right side
    124,895.10x = 7,617,951,645.48
  5. Step 5: Solve for x
    x = 7,617,951,645.48/124,895.10
  6. Step 6: Final answer
    x = 60,994.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.