Home / 87,292.82-120,460.70-53,358.12

Finding the Fourth Proportional to 87,292.82, 120,460.70 and 53,358.12

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Solution

The fourth proportional to 87,292.82, 120,460.70 and 53,358.12 is: 73,632.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,292.82 : 120,460.70 = 53,358.12 : x
  2. Step 2: Convert to fraction form
    87,292.82/120,460.70 = 53,358.12/x
  3. Step 3: Cross multiply
    87,292.82x = 120,460.70 × 53,358.12
  4. Step 4: Simplify right side
    87,292.82x = 6,427,556,485.88
  5. Step 5: Solve for x
    x = 6,427,556,485.88/87,292.82
  6. Step 6: Final answer
    x = 73,632.13

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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.