Home / 87,259.08-120,414.16-53,324.32

Finding the Fourth Proportional to 87,259.08, 120,414.16 and 53,324.32

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Solution

The fourth proportional to 87,259.08, 120,414.16 and 53,324.32 is: 73,585.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,259.08 : 120,414.16 = 53,324.32 : x
  2. Step 2: Convert to fraction form
    87,259.08/120,414.16 = 53,324.32/x
  3. Step 3: Cross multiply
    87,259.08x = 120,414.16 × 53,324.32
  4. Step 4: Simplify right side
    87,259.08x = 6,421,003,200.37
  5. Step 5: Solve for x
    x = 6,421,003,200.37/87,259.08
  6. Step 6: Final answer
    x = 73,585.50

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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.