Home / 48,034.20-72,002.70-28,302.60

Finding the Fourth Proportional to 48,034.20, 72,002.70 and 28,302.60

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Solution

The fourth proportional to 48,034.20, 72,002.70 and 28,302.60 is: 42,425.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,034.20 : 72,002.70 = 28,302.60 : x
  2. Step 2: Convert to fraction form
    48,034.20/72,002.70 = 28,302.60/x
  3. Step 3: Cross multiply
    48,034.20x = 72,002.70 × 28,302.60
  4. Step 4: Simplify right side
    48,034.20x = 2,037,863,617.02
  5. Step 5: Solve for x
    x = 2,037,863,617.02/48,034.20
  6. Step 6: Final answer
    x = 42,425.26

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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.