Home / 83,763.12-115,593.48-46,039.80

Finding the Fourth Proportional to 83,763.12, 115,593.48 and 46,039.80

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Solution

The fourth proportional to 83,763.12, 115,593.48 and 46,039.80 is: 63,535.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,763.12 : 115,593.48 = 46,039.80 : x
  2. Step 2: Convert to fraction form
    83,763.12/115,593.48 = 46,039.80/x
  3. Step 3: Cross multiply
    83,763.12x = 115,593.48 × 46,039.80
  4. Step 4: Simplify right side
    83,763.12x = 5,321,900,700.50
  5. Step 5: Solve for x
    x = 5,321,900,700.50/83,763.12
  6. Step 6: Final answer
    x = 63,535.13

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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.