Home / 82,840.08-124,260.12-36,125.76

Finding the Fourth Proportional to 82,840.08, 124,260.12 and 36,125.76

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Solution

The fourth proportional to 82,840.08, 124,260.12 and 36,125.76 is: 54,188.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,840.08 : 124,260.12 = 36,125.76 : x
  2. Step 2: Convert to fraction form
    82,840.08/124,260.12 = 36,125.76/x
  3. Step 3: Cross multiply
    82,840.08x = 124,260.12 × 36,125.76
  4. Step 4: Simplify right side
    82,840.08x = 4,488,991,272.69
  5. Step 5: Solve for x
    x = 4,488,991,272.69/82,840.08
  6. Step 6: Final answer
    x = 54,188.64

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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.