Home / 81,543.44-122,398.08-56,244.71

Finding the Fourth Proportional to 81,543.44, 122,398.08 and 56,244.71

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Solution

The fourth proportional to 81,543.44, 122,398.08 and 56,244.71 is: 84,424.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,543.44 : 122,398.08 = 56,244.71 : x
  2. Step 2: Convert to fraction form
    81,543.44/122,398.08 = 56,244.71/x
  3. Step 3: Cross multiply
    81,543.44x = 122,398.08 × 56,244.71
  4. Step 4: Simplify right side
    81,543.44x = 6,884,244,514.16
  5. Step 5: Solve for x
    x = 6,884,244,514.16/81,543.44
  6. Step 6: Final answer
    x = 84,424.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.