Home / 87,737.02-121,073.88-50,003.98

Finding the Fourth Proportional to 87,737.02, 121,073.88 and 50,003.98

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Solution

The fourth proportional to 87,737.02, 121,073.88 and 50,003.98 is: 69,003.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,737.02 : 121,073.88 = 50,003.98 : x
  2. Step 2: Convert to fraction form
    87,737.02/121,073.88 = 50,003.98/x
  3. Step 3: Cross multiply
    87,737.02x = 121,073.88 × 50,003.98
  4. Step 4: Simplify right side
    87,737.02x = 6,054,175,874.04
  5. Step 5: Solve for x
    x = 6,054,175,874.04/87,737.02
  6. Step 6: Final answer
    x = 69,003.66

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Why These Related Problems?

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