Home / 56,235.50-77,514.70-38,080.47

Finding the Fourth Proportional to 56,235.50, 77,514.70 and 38,080.47

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Solution

The fourth proportional to 56,235.50, 77,514.70 and 38,080.47 is: 52,489.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,235.50 : 77,514.70 = 38,080.47 : x
  2. Step 2: Convert to fraction form
    56,235.50/77,514.70 = 38,080.47/x
  3. Step 3: Cross multiply
    56,235.50x = 77,514.70 × 38,080.47
  4. Step 4: Simplify right side
    56,235.50x = 2,951,796,207.91
  5. Step 5: Solve for x
    x = 2,951,796,207.91/56,235.50
  6. Step 6: Final answer
    x = 52,489.91

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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.