Home / 87,813.66-121,182.87-48,069.66

Finding the Fourth Proportional to 87,813.66, 121,182.87 and 48,069.66

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Solution

The fourth proportional to 87,813.66, 121,182.87 and 48,069.66 is: 66,336.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,813.66 : 121,182.87 = 48,069.66 : x
  2. Step 2: Convert to fraction form
    87,813.66/121,182.87 = 48,069.66/x
  3. Step 3: Cross multiply
    87,813.66x = 121,182.87 × 48,069.66
  4. Step 4: Simplify right side
    87,813.66x = 5,825,219,358.72
  5. Step 5: Solve for x
    x = 5,825,219,358.72/87,813.66
  6. Step 6: Final answer
    x = 66,336.14

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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.