Home / 59,870.18-89,819.35-20,427.44

Finding the Fourth Proportional to 59,870.18, 89,819.35 and 20,427.44

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Solution

The fourth proportional to 59,870.18, 89,819.35 and 20,427.44 is: 30,645.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,870.18 : 89,819.35 = 20,427.44 : x
  2. Step 2: Convert to fraction form
    59,870.18/89,819.35 = 20,427.44/x
  3. Step 3: Cross multiply
    59,870.18x = 89,819.35 × 20,427.44
  4. Step 4: Simplify right side
    59,870.18x = 1,834,778,882.80
  5. Step 5: Solve for x
    x = 1,834,778,882.80/59,870.18
  6. Step 6: Final answer
    x = 30,645.95

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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.