Home / 83,527.12-115,264.38-45,800.56

Finding the Fourth Proportional to 83,527.12, 115,264.38 and 45,800.56

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Solution

The fourth proportional to 83,527.12, 115,264.38 and 45,800.56 is: 63,203.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,527.12 : 115,264.38 = 45,800.56 : x
  2. Step 2: Convert to fraction form
    83,527.12/115,264.38 = 45,800.56/x
  3. Step 3: Cross multiply
    83,527.12x = 115,264.38 × 45,800.56
  4. Step 4: Simplify right side
    83,527.12x = 5,279,173,152.05
  5. Step 5: Solve for x
    x = 5,279,173,152.05/83,527.12
  6. Step 6: Final answer
    x = 63,203.10

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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.