Home / 72,001.90-108,002.85-48,382.30

Finding the Fourth Proportional to 72,001.90, 108,002.85 and 48,382.30

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Solution

The fourth proportional to 72,001.90, 108,002.85 and 48,382.30 is: 72,573.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,001.90 : 108,002.85 = 48,382.30 : x
  2. Step 2: Convert to fraction form
    72,001.90/108,002.85 = 48,382.30/x
  3. Step 3: Cross multiply
    72,001.90x = 108,002.85 × 48,382.30
  4. Step 4: Simplify right side
    72,001.90x = 5,225,426,289.56
  5. Step 5: Solve for x
    x = 5,225,426,289.56/72,001.90
  6. Step 6: Final answer
    x = 72,573.45

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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.