Home / 124,699.72-187,124.10-45,821.92

Finding the Fourth Proportional to 124,699.72, 187,124.10 and 45,821.92

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Solution

The fourth proportional to 124,699.72, 187,124.10 and 45,821.92 is: 68,760.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,699.72 : 187,124.10 = 45,821.92 : x
  2. Step 2: Convert to fraction form
    124,699.72/187,124.10 = 45,821.92/x
  3. Step 3: Cross multiply
    124,699.72x = 187,124.10 × 45,821.92
  4. Step 4: Simplify right side
    124,699.72x = 8,574,385,072.46
  5. Step 5: Solve for x
    x = 8,574,385,072.46/124,699.72
  6. Step 6: Final answer
    x = 68,760.26

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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.