Home / 97,234.40-145,621.20-59,909.60

Finding the Fourth Proportional to 97,234.40, 145,621.20 and 59,909.60

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Solution

The fourth proportional to 97,234.40, 145,621.20 and 59,909.60 is: 89,722.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,234.40 : 145,621.20 = 59,909.60 : x
  2. Step 2: Convert to fraction form
    97,234.40/145,621.20 = 59,909.60/x
  3. Step 3: Cross multiply
    97,234.40x = 145,621.20 × 59,909.60
  4. Step 4: Simplify right side
    97,234.40x = 8,724,107,843.52
  5. Step 5: Solve for x
    x = 8,724,107,843.52/97,234.40
  6. Step 6: Final answer
    x = 89,722.44

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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.