Home / 83,535.12-115,275.96-45,808.56

Finding the Fourth Proportional to 83,535.12, 115,275.96 and 45,808.56

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Solution

The fourth proportional to 83,535.12, 115,275.96 and 45,808.56 is: 63,214.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,535.12 : 115,275.96 = 45,808.56 : x
  2. Step 2: Convert to fraction form
    83,535.12/115,275.96 = 45,808.56/x
  3. Step 3: Cross multiply
    83,535.12x = 115,275.96 × 45,808.56
  4. Step 4: Simplify right side
    83,535.12x = 5,280,625,730.22
  5. Step 5: Solve for x
    x = 5,280,625,730.22/83,535.12
  6. Step 6: Final answer
    x = 63,214.44

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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.