Home / 82,240.70-123,365.45-26,085.08

Finding the Fourth Proportional to 82,240.70, 123,365.45 and 26,085.08

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Solution

The fourth proportional to 82,240.70, 123,365.45 and 26,085.08 is: 39,129.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,240.70 : 123,365.45 = 26,085.08 : x
  2. Step 2: Convert to fraction form
    82,240.70/123,365.45 = 26,085.08/x
  3. Step 3: Cross multiply
    82,240.70x = 123,365.45 × 26,085.08
  4. Step 4: Simplify right side
    82,240.70x = 3,217,997,632.49
  5. Step 5: Solve for x
    x = 3,217,997,632.49/82,240.70
  6. Step 6: Final answer
    x = 39,129.02

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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.