Home / 48,061.36-66,353.88-32,978.80

Finding the Fourth Proportional to 48,061.36, 66,353.88 and 32,978.80

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Solution

The fourth proportional to 48,061.36, 66,353.88 and 32,978.80 is: 45,530.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,061.36 : 66,353.88 = 32,978.80 : x
  2. Step 2: Convert to fraction form
    48,061.36/66,353.88 = 32,978.80/x
  3. Step 3: Cross multiply
    48,061.36x = 66,353.88 × 32,978.80
  4. Step 4: Simplify right side
    48,061.36x = 2,188,271,337.74
  5. Step 5: Solve for x
    x = 2,188,271,337.74/48,061.36
  6. Step 6: Final answer
    x = 45,530.78

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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.