Home / 83,566.40-115,314.77-45,840.65

Finding the Fourth Proportional to 83,566.40, 115,314.77 and 45,840.65

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Solution

The fourth proportional to 83,566.40, 115,314.77 and 45,840.65 is: 63,256.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,566.40 : 115,314.77 = 45,840.65 : x
  2. Step 2: Convert to fraction form
    83,566.40/115,314.77 = 45,840.65/x
  3. Step 3: Cross multiply
    83,566.40x = 115,314.77 × 45,840.65
  4. Step 4: Simplify right side
    83,566.40x = 5,286,103,549.43
  5. Step 5: Solve for x
    x = 5,286,103,549.43/83,566.40
  6. Step 6: Final answer
    x = 63,256.33

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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.