Home / 64,225.20-96,353.55-45,286.80

Finding the Fourth Proportional to 64,225.20, 96,353.55 and 45,286.80

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Solution

The fourth proportional to 64,225.20, 96,353.55 and 45,286.80 is: 67,941.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,225.20 : 96,353.55 = 45,286.80 : x
  2. Step 2: Convert to fraction form
    64,225.20/96,353.55 = 45,286.80/x
  3. Step 3: Cross multiply
    64,225.20x = 96,353.55 × 45,286.80
  4. Step 4: Simplify right side
    64,225.20x = 4,363,543,586.81
  5. Step 5: Solve for x
    x = 4,363,543,586.81/64,225.20
  6. Step 6: Final answer
    x = 67,941.30

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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.