Home / 83,398.24-115,089.60-45,674.80

Finding the Fourth Proportional to 83,398.24, 115,089.60 and 45,674.80

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Solution

The fourth proportional to 83,398.24, 115,089.60 and 45,674.80 is: 63,031.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,398.24 : 115,089.60 = 45,674.80 : x
  2. Step 2: Convert to fraction form
    83,398.24/115,089.60 = 45,674.80/x
  3. Step 3: Cross multiply
    83,398.24x = 115,089.60 × 45,674.80
  4. Step 4: Simplify right side
    83,398.24x = 5,256,694,462.08
  5. Step 5: Solve for x
    x = 5,256,694,462.08/83,398.24
  6. Step 6: Final answer
    x = 63,031.24

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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.