Home / 60,001.20-90,001.80-32,007.60

Finding the Fourth Proportional to 60,001.20, 90,001.80 and 32,007.60

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Solution

The fourth proportional to 60,001.20, 90,001.80 and 32,007.60 is: 48,011.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,001.20 : 90,001.80 = 32,007.60 : x
  2. Step 2: Convert to fraction form
    60,001.20/90,001.80 = 32,007.60/x
  3. Step 3: Cross multiply
    60,001.20x = 90,001.80 × 32,007.60
  4. Step 4: Simplify right side
    60,001.20x = 2,880,741,613.68
  5. Step 5: Solve for x
    x = 2,880,741,613.68/60,001.20
  6. Step 6: Final answer
    x = 48,011.40

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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.