Home / 86,714.47-119,685.27-52,715.75

Finding the Fourth Proportional to 86,714.47, 119,685.27 and 52,715.75

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Solution

The fourth proportional to 86,714.47, 119,685.27 and 52,715.75 is: 72,759.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,714.47 : 119,685.27 = 52,715.75 : x
  2. Step 2: Convert to fraction form
    86,714.47/119,685.27 = 52,715.75/x
  3. Step 3: Cross multiply
    86,714.47x = 119,685.27 × 52,715.75
  4. Step 4: Simplify right side
    86,714.47x = 6,309,298,508.42
  5. Step 5: Solve for x
    x = 6,309,298,508.42/86,714.47
  6. Step 6: Final answer
    x = 72,759.47

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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.