Home / 94,919.12-130,976.84-52,471.76

Finding the Fourth Proportional to 94,919.12, 130,976.84 and 52,471.76

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Solution

The fourth proportional to 94,919.12, 130,976.84 and 52,471.76 is: 72,404.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,919.12 : 130,976.84 = 52,471.76 : x
  2. Step 2: Convert to fraction form
    94,919.12/130,976.84 = 52,471.76/x
  3. Step 3: Cross multiply
    94,919.12x = 130,976.84 × 52,471.76
  4. Step 4: Simplify right side
    94,919.12x = 6,872,585,314.04
  5. Step 5: Solve for x
    x = 6,872,585,314.04/94,919.12
  6. Step 6: Final answer
    x = 72,404.65

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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.