Home / 83,550.56-124,457.65-79,023.47

Finding the Fourth Proportional to 83,550.56, 124,457.65 and 79,023.47

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Solution

The fourth proportional to 83,550.56, 124,457.65 and 79,023.47 is: 117,714.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,550.56 : 124,457.65 = 79,023.47 : x
  2. Step 2: Convert to fraction form
    83,550.56/124,457.65 = 79,023.47/x
  3. Step 3: Cross multiply
    83,550.56x = 124,457.65 × 79,023.47
  4. Step 4: Simplify right side
    83,550.56x = 9,835,074,551.20
  5. Step 5: Solve for x
    x = 9,835,074,551.20/83,550.56
  6. Step 6: Final answer
    x = 117,714.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.