Home / 87,937.08-121,514.10-64,022.24

Finding the Fourth Proportional to 87,937.08, 121,514.10 and 64,022.24

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Solution

The fourth proportional to 87,937.08, 121,514.10 and 64,022.24 is: 88,467.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,937.08 : 121,514.10 = 64,022.24 : x
  2. Step 2: Convert to fraction form
    87,937.08/121,514.10 = 64,022.24/x
  3. Step 3: Cross multiply
    87,937.08x = 121,514.10 × 64,022.24
  4. Step 4: Simplify right side
    87,937.08x = 7,779,604,873.58
  5. Step 5: Solve for x
    x = 7,779,604,873.58/87,937.08
  6. Step 6: Final answer
    x = 88,467.86

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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.