Home / 87,810.50-121,178.46-47,524.25

Finding the Fourth Proportional to 87,810.50, 121,178.46 and 47,524.25

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Solution

The fourth proportional to 87,810.50, 121,178.46 and 47,524.25 is: 65,583.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,810.50 : 121,178.46 = 47,524.25 : x
  2. Step 2: Convert to fraction form
    87,810.50/121,178.46 = 47,524.25/x
  3. Step 3: Cross multiply
    87,810.50x = 121,178.46 × 47,524.25
  4. Step 4: Simplify right side
    87,810.50x = 5,758,915,427.66
  5. Step 5: Solve for x
    x = 5,758,915,427.66/87,810.50
  6. Step 6: Final answer
    x = 65,583.45

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1.5x scale

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.