Home / 65,788.28-90,788.33-36,320.93

Finding the Fourth Proportional to 65,788.28, 90,788.33 and 36,320.93

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Solution

The fourth proportional to 65,788.28, 90,788.33 and 36,320.93 is: 50,123.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,788.28 : 90,788.33 = 36,320.93 : x
  2. Step 2: Convert to fraction form
    65,788.28/90,788.33 = 36,320.93/x
  3. Step 3: Cross multiply
    65,788.28x = 90,788.33 × 36,320.93
  4. Step 4: Simplify right side
    65,788.28x = 3,297,516,896.52
  5. Step 5: Solve for x
    x = 3,297,516,896.52/65,788.28
  6. Step 6: Final answer
    x = 50,123.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.