Home / 83,526.12-115,263-45,799.56

Finding the Fourth Proportional to 83,526.12, 115,263 and 45,799.56

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Solution

The fourth proportional to 83,526.12, 115,263 and 45,799.56 is: 63,201.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,526.12 : 115,263 = 45,799.56 : x
  2. Step 2: Convert to fraction form
    83,526.12/115,263 = 45,799.56/x
  3. Step 3: Cross multiply
    83,526.12x = 115,263 × 45,799.56
  4. Step 4: Simplify right side
    83,526.12x = 5,278,994,684.28
  5. Step 5: Solve for x
    x = 5,278,994,684.28/83,526.12
  6. Step 6: Final answer
    x = 63,201.72

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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.