Home / 124,829.84-187,079.16-54,632.72

Finding the Fourth Proportional to 124,829.84, 187,079.16 and 54,632.72

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Solution

The fourth proportional to 124,829.84, 187,079.16 and 54,632.72 is: 81,876.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,829.84 : 187,079.16 = 54,632.72 : x
  2. Step 2: Convert to fraction form
    124,829.84/187,079.16 = 54,632.72/x
  3. Step 3: Cross multiply
    124,829.84x = 187,079.16 × 54,632.72
  4. Step 4: Simplify right side
    124,829.84x = 10,220,643,366.12
  5. Step 5: Solve for x
    x = 10,220,643,366.12/124,829.84
  6. Step 6: Final answer
    x = 81,876.60

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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.