Home / 87,794.46-121,135.27-53,338.50

Finding the Fourth Proportional to 87,794.46, 121,135.27 and 53,338.50

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Solution

The fourth proportional to 87,794.46, 121,135.27 and 53,338.50 is: 73,594.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,794.46 : 121,135.27 = 53,338.50 : x
  2. Step 2: Convert to fraction form
    87,794.46/121,135.27 = 53,338.50/x
  3. Step 3: Cross multiply
    87,794.46x = 121,135.27 × 53,338.50
  4. Step 4: Simplify right side
    87,794.46x = 6,461,172,726.53
  5. Step 5: Solve for x
    x = 6,461,172,726.53/87,794.46
  6. Step 6: Final answer
    x = 73,594.31

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