Home / 83,150.14-124,725.21-30,536.86

Finding the Fourth Proportional to 83,150.14, 124,725.21 and 30,536.86

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Solution

The fourth proportional to 83,150.14, 124,725.21 and 30,536.86 is: 45,805.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,150.14 : 124,725.21 = 30,536.86 : x
  2. Step 2: Convert to fraction form
    83,150.14/124,725.21 = 30,536.86/x
  3. Step 3: Cross multiply
    83,150.14x = 124,725.21 × 30,536.86
  4. Step 4: Simplify right side
    83,150.14x = 3,808,716,276.24
  5. Step 5: Solve for x
    x = 3,808,716,276.24/83,150.14
  6. Step 6: Final answer
    x = 45,805.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.