Home / 87,498.29-120,756.71-53,529.40

Finding the Fourth Proportional to 87,498.29, 120,756.71 and 53,529.40

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Solution

The fourth proportional to 87,498.29, 120,756.71 and 53,529.40 is: 73,876.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,498.29 : 120,756.71 = 53,529.40 : x
  2. Step 2: Convert to fraction form
    87,498.29/120,756.71 = 53,529.40/x
  3. Step 3: Cross multiply
    87,498.29x = 120,756.71 × 53,529.40
  4. Step 4: Simplify right side
    87,498.29x = 6,464,033,964.63
  5. Step 5: Solve for x
    x = 6,464,033,964.63/87,498.29
  6. Step 6: Final answer
    x = 73,876.12

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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.