Home / 82,582.56-123,887.76-38,191.20

Finding the Fourth Proportional to 82,582.56, 123,887.76 and 38,191.20

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Solution

The fourth proportional to 82,582.56, 123,887.76 and 38,191.20 is: 57,293.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,582.56 : 123,887.76 = 38,191.20 : x
  2. Step 2: Convert to fraction form
    82,582.56/123,887.76 = 38,191.20/x
  3. Step 3: Cross multiply
    82,582.56x = 123,887.76 × 38,191.20
  4. Step 4: Simplify right side
    82,582.56x = 4,731,422,219.71
  5. Step 5: Solve for x
    x = 4,731,422,219.71/82,582.56
  6. Step 6: Final answer
    x = 57,293.24

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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.