Home / 124,701.72-187,127.10-45,823.92

Finding the Fourth Proportional to 124,701.72, 187,127.10 and 45,823.92

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Solution

The fourth proportional to 124,701.72, 187,127.10 and 45,823.92 is: 68,763.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,701.72 : 187,127.10 = 45,823.92 : x
  2. Step 2: Convert to fraction form
    124,701.72/187,127.10 = 45,823.92/x
  3. Step 3: Cross multiply
    124,701.72x = 187,127.10 × 45,823.92
  4. Step 4: Simplify right side
    124,701.72x = 8,574,897,260.23
  5. Step 5: Solve for x
    x = 8,574,897,260.23/124,701.72
  6. Step 6: Final answer
    x = 68,763.26

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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.