Home / 83,585.88-115,348.62-45,860.28

Finding the Fourth Proportional to 83,585.88, 115,348.62 and 45,860.28

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Solution

The fourth proportional to 83,585.88, 115,348.62 and 45,860.28 is: 63,287.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,585.88 : 115,348.62 = 45,860.28 : x
  2. Step 2: Convert to fraction form
    83,585.88/115,348.62 = 45,860.28/x
  3. Step 3: Cross multiply
    83,585.88x = 115,348.62 × 45,860.28
  4. Step 4: Simplify right side
    83,585.88x = 5,289,920,010.81
  5. Step 5: Solve for x
    x = 5,289,920,010.81/83,585.88
  6. Step 6: Final answer
    x = 63,287.24

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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.