Home / 59,868.44-89,829.19-31,781.72

Finding the Fourth Proportional to 59,868.44, 89,829.19 and 31,781.72

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Solution

The fourth proportional to 59,868.44, 89,829.19 and 31,781.72 is: 47,686.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,868.44 : 89,829.19 = 31,781.72 : x
  2. Step 2: Convert to fraction form
    59,868.44/89,829.19 = 31,781.72/x
  3. Step 3: Cross multiply
    59,868.44x = 89,829.19 × 31,781.72
  4. Step 4: Simplify right side
    59,868.44x = 2,854,926,396.90
  5. Step 5: Solve for x
    x = 2,854,926,396.90/59,868.44
  6. Step 6: Final answer
    x = 47,686.67

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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.