Home / 61,219.87-91,865.25-25,678.02

Finding the Fourth Proportional to 61,219.87, 91,865.25 and 25,678.02

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Solution

The fourth proportional to 61,219.87, 91,865.25 and 25,678.02 is: 38,531.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,219.87 : 91,865.25 = 25,678.02 : x
  2. Step 2: Convert to fraction form
    61,219.87/91,865.25 = 25,678.02/x
  3. Step 3: Cross multiply
    61,219.87x = 91,865.25 × 25,678.02
  4. Step 4: Simplify right side
    61,219.87x = 2,358,917,726.81
  5. Step 5: Solve for x
    x = 2,358,917,726.81/61,219.87
  6. Step 6: Final answer
    x = 38,531.90

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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.