Home / 83,724.33-115,539.11-45,483.58

Finding the Fourth Proportional to 83,724.33, 115,539.11 and 45,483.58

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Solution

The fourth proportional to 83,724.33, 115,539.11 and 45,483.58 is: 62,767.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,724.33 : 115,539.11 = 45,483.58 : x
  2. Step 2: Convert to fraction form
    83,724.33/115,539.11 = 45,483.58/x
  3. Step 3: Cross multiply
    83,724.33x = 115,539.11 × 45,483.58
  4. Step 4: Simplify right side
    83,724.33x = 5,255,131,775.12
  5. Step 5: Solve for x
    x = 5,255,131,775.12/83,724.33
  6. Step 6: Final answer
    x = 62,767.08

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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.