Home / 83,110.04-124,591.06-30,507.32

Finding the Fourth Proportional to 83,110.04, 124,591.06 and 30,507.32

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Solution

The fourth proportional to 83,110.04, 124,591.06 and 30,507.32 is: 45,733.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,110.04 : 124,591.06 = 30,507.32 : x
  2. Step 2: Convert to fraction form
    83,110.04/124,591.06 = 30,507.32/x
  3. Step 3: Cross multiply
    83,110.04x = 124,591.06 × 30,507.32
  4. Step 4: Simplify right side
    83,110.04x = 3,800,939,336.56
  5. Step 5: Solve for x
    x = 3,800,939,336.56/83,110.04
  6. Step 6: Final answer
    x = 45,733.82

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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.