Home / 63,629.20-95,443.80-60,421.60

Finding the Fourth Proportional to 63,629.20, 95,443.80 and 60,421.60

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Solution

The fourth proportional to 63,629.20, 95,443.80 and 60,421.60 is: 90,632.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,629.20 : 95,443.80 = 60,421.60 : x
  2. Step 2: Convert to fraction form
    63,629.20/95,443.80 = 60,421.60/x
  3. Step 3: Cross multiply
    63,629.20x = 95,443.80 × 60,421.60
  4. Step 4: Simplify right side
    63,629.20x = 5,766,867,106.08
  5. Step 5: Solve for x
    x = 5,766,867,106.08/63,629.20
  6. Step 6: Final answer
    x = 90,632.40

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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.