Home / 87,011.24-120,073.52-50,710.38

Finding the Fourth Proportional to 87,011.24, 120,073.52 and 50,710.38

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Solution

The fourth proportional to 87,011.24, 120,073.52 and 50,710.38 is: 69,979.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,011.24 : 120,073.52 = 50,710.38 : x
  2. Step 2: Convert to fraction form
    87,011.24/120,073.52 = 50,710.38/x
  3. Step 3: Cross multiply
    87,011.24x = 120,073.52 × 50,710.38
  4. Step 4: Simplify right side
    87,011.24x = 6,088,973,827.14
  5. Step 5: Solve for x
    x = 6,088,973,827.14/87,011.24
  6. Step 6: Final answer
    x = 69,979.16

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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.