Home / 60,421.32-90,644.94-25,340.76

Finding the Fourth Proportional to 60,421.32, 90,644.94 and 25,340.76

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Solution

The fourth proportional to 60,421.32, 90,644.94 and 25,340.76 is: 38,016.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,421.32 : 90,644.94 = 25,340.76 : x
  2. Step 2: Convert to fraction form
    60,421.32/90,644.94 = 25,340.76/x
  3. Step 3: Cross multiply
    60,421.32x = 90,644.94 × 25,340.76
  4. Step 4: Simplify right side
    60,421.32x = 2,297,011,669.75
  5. Step 5: Solve for x
    x = 2,297,011,669.75/60,421.32
  6. Step 6: Final answer
    x = 38,016.58

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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.