Home / 87,925.36-121,345.68-50,205.28

Finding the Fourth Proportional to 87,925.36, 121,345.68 and 50,205.28

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Solution

The fourth proportional to 87,925.36, 121,345.68 and 50,205.28 is: 69,288.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,925.36 : 121,345.68 = 50,205.28 : x
  2. Step 2: Convert to fraction form
    87,925.36/121,345.68 = 50,205.28/x
  3. Step 3: Cross multiply
    87,925.36x = 121,345.68 × 50,205.28
  4. Step 4: Simplify right side
    87,925.36x = 6,092,193,841.19
  5. Step 5: Solve for x
    x = 6,092,193,841.19/87,925.36
  6. Step 6: Final answer
    x = 69,288.24

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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.