Home / 82,098.74-123,109.84-42,645.26

Finding the Fourth Proportional to 82,098.74, 123,109.84 and 42,645.26

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Solution

The fourth proportional to 82,098.74, 123,109.84 and 42,645.26 is: 63,948.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,098.74 : 123,109.84 = 42,645.26 : x
  2. Step 2: Convert to fraction form
    82,098.74/123,109.84 = 42,645.26/x
  3. Step 3: Cross multiply
    82,098.74x = 123,109.84 × 42,645.26
  4. Step 4: Simplify right side
    82,098.74x = 5,250,051,135.36
  5. Step 5: Solve for x
    x = 5,250,051,135.36/82,098.74
  6. Step 6: Final answer
    x = 63,948.01

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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.