Home / 109,531.43-151,153.38-59,230.43

Finding the Fourth Proportional to 109,531.43, 151,153.38 and 59,230.43

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Solution

The fourth proportional to 109,531.43, 151,153.38 and 59,230.43 is: 81,737.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,531.43 : 151,153.38 = 59,230.43 : x
  2. Step 2: Convert to fraction form
    109,531.43/151,153.38 = 59,230.43/x
  3. Step 3: Cross multiply
    109,531.43x = 151,153.38 × 59,230.43
  4. Step 4: Simplify right side
    109,531.43x = 8,952,878,937.59
  5. Step 5: Solve for x
    x = 8,952,878,937.59/109,531.43
  6. Step 6: Final answer
    x = 81,737.99

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.