Home / 124,925.64-187,376.31-68,747.28

Finding the Fourth Proportional to 124,925.64, 187,376.31 and 68,747.28

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Solution

The fourth proportional to 124,925.64, 187,376.31 and 68,747.28 is: 103,114.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,925.64 : 187,376.31 = 68,747.28 : x
  2. Step 2: Convert to fraction form
    124,925.64/187,376.31 = 68,747.28/x
  3. Step 3: Cross multiply
    124,925.64x = 187,376.31 × 68,747.28
  4. Step 4: Simplify right side
    124,925.64x = 12,881,611,648.94
  5. Step 5: Solve for x
    x = 12,881,611,648.94/124,925.64
  6. Step 6: Final answer
    x = 103,114.23

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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.