Home / 87,286.95-120,452.81-53,352.27

Finding the Fourth Proportional to 87,286.95, 120,452.81 and 53,352.27

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Solution

The fourth proportional to 87,286.95, 120,452.81 and 53,352.27 is: 73,624.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,286.95 : 120,452.81 = 53,352.27 : x
  2. Step 2: Convert to fraction form
    87,286.95/120,452.81 = 53,352.27/x
  3. Step 3: Cross multiply
    87,286.95x = 120,452.81 × 53,352.27
  4. Step 4: Simplify right side
    87,286.95x = 6,426,430,574.62
  5. Step 5: Solve for x
    x = 6,426,430,574.62/87,286.95
  6. Step 6: Final answer
    x = 73,624.19

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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.