Home / 67,485.20-101,256.60-32,406.80

Finding the Fourth Proportional to 67,485.20, 101,256.60 and 32,406.80

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Solution

The fourth proportional to 67,485.20, 101,256.60 and 32,406.80 is: 48,624.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,485.20 : 101,256.60 = 32,406.80 : x
  2. Step 2: Convert to fraction form
    67,485.20/101,256.60 = 32,406.80/x
  3. Step 3: Cross multiply
    67,485.20x = 101,256.60 × 32,406.80
  4. Step 4: Simplify right side
    67,485.20x = 3,281,402,384.88
  5. Step 5: Solve for x
    x = 3,281,402,384.88/67,485.20
  6. Step 6: Final answer
    x = 48,624.03

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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.