Home / 59,567.20-89,346.96-20,120.80

Finding the Fourth Proportional to 59,567.20, 89,346.96 and 20,120.80

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Solution

The fourth proportional to 59,567.20, 89,346.96 and 20,120.80 is: 30,179.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,567.20 : 89,346.96 = 20,120.80 : x
  2. Step 2: Convert to fraction form
    59,567.20/89,346.96 = 20,120.80/x
  3. Step 3: Cross multiply
    59,567.20x = 89,346.96 × 20,120.80
  4. Step 4: Simplify right side
    59,567.20x = 1,797,732,312.77
  5. Step 5: Solve for x
    x = 1,797,732,312.77/59,567.20
  6. Step 6: Final answer
    x = 30,179.90

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1.5x scale

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.