Home / 87,830.46-121,192.98-53,357.25

Finding the Fourth Proportional to 87,830.46, 121,192.98 and 53,357.25

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Solution

The fourth proportional to 87,830.46, 121,192.98 and 53,357.25 is: 73,625.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,830.46 : 121,192.98 = 53,357.25 : x
  2. Step 2: Convert to fraction form
    87,830.46/121,192.98 = 53,357.25/x
  3. Step 3: Cross multiply
    87,830.46x = 121,192.98 × 53,357.25
  4. Step 4: Simplify right side
    87,830.46x = 6,466,524,132.11
  5. Step 5: Solve for x
    x = 6,466,524,132.11/87,830.46
  6. Step 6: Final answer
    x = 73,625.07

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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.