Home / 87,677.44-121,002.24-53,685.76

Finding the Fourth Proportional to 87,677.44, 121,002.24 and 53,685.76

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Solution

The fourth proportional to 87,677.44, 121,002.24 and 53,685.76 is: 74,090.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,677.44 : 121,002.24 = 53,685.76 : x
  2. Step 2: Convert to fraction form
    87,677.44/121,002.24 = 53,685.76/x
  3. Step 3: Cross multiply
    87,677.44x = 121,002.24 × 53,685.76
  4. Step 4: Simplify right side
    87,677.44x = 6,496,097,216.10
  5. Step 5: Solve for x
    x = 6,496,097,216.10/87,677.44
  6. Step 6: Final answer
    x = 74,090.86

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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.