Home / 124,830.34-187,079.91-54,633.22

Finding the Fourth Proportional to 124,830.34, 187,079.91 and 54,633.22

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Solution

The fourth proportional to 124,830.34, 187,079.91 and 54,633.22 is: 81,877.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,830.34 : 187,079.91 = 54,633.22 : x
  2. Step 2: Convert to fraction form
    124,830.34/187,079.91 = 54,633.22/x
  3. Step 3: Cross multiply
    124,830.34x = 187,079.91 × 54,633.22
  4. Step 4: Simplify right side
    124,830.34x = 10,220,777,880.61
  5. Step 5: Solve for x
    x = 10,220,777,880.61/124,830.34
  6. Step 6: Final answer
    x = 81,877.35

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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.