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Finding the Fourth Proportional to 60,002.40, 90,003.60 and 48,921.60

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Solution

The fourth proportional to 60,002.40, 90,003.60 and 48,921.60 is: 73,382.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,002.40 : 90,003.60 = 48,921.60 : x
  2. Step 2: Convert to fraction form
    60,002.40/90,003.60 = 48,921.60/x
  3. Step 3: Cross multiply
    60,002.40x = 90,003.60 × 48,921.60
  4. Step 4: Simplify right side
    60,002.40x = 4,403,120,117.76
  5. Step 5: Solve for x
    x = 4,403,120,117.76/60,002.40
  6. Step 6: Final answer
    x = 73,382.40

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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.