Home / 75,182.16-112,737.93-43,601.20

Finding the Fourth Proportional to 75,182.16, 112,737.93 and 43,601.20

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Solution

The fourth proportional to 75,182.16, 112,737.93 and 43,601.20 is: 65,381.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,182.16 : 112,737.93 = 43,601.20 : x
  2. Step 2: Convert to fraction form
    75,182.16/112,737.93 = 43,601.20/x
  3. Step 3: Cross multiply
    75,182.16x = 112,737.93 × 43,601.20
  4. Step 4: Simplify right side
    75,182.16x = 4,915,509,033.52
  5. Step 5: Solve for x
    x = 4,915,509,033.52/75,182.16
  6. Step 6: Final answer
    x = 65,381.32

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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.