Home / 124,699.77-187,124.18-45,821.97

Finding the Fourth Proportional to 124,699.77, 187,124.18 and 45,821.97

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Solution

The fourth proportional to 124,699.77, 187,124.18 and 45,821.97 is: 68,760.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,699.77 : 187,124.18 = 45,821.97 : x
  2. Step 2: Convert to fraction form
    124,699.77/187,124.18 = 45,821.97/x
  3. Step 3: Cross multiply
    124,699.77x = 187,124.18 × 45,821.97
  4. Step 4: Simplify right side
    124,699.77x = 8,574,398,333.12
  5. Step 5: Solve for x
    x = 8,574,398,333.12/124,699.77
  6. Step 6: Final answer
    x = 68,760.34

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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.