Home / 48,088.20-72,002.70-37,720.20

Finding the Fourth Proportional to 48,088.20, 72,002.70 and 37,720.20

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Solution

The fourth proportional to 48,088.20, 72,002.70 and 37,720.20 is: 56,478.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,088.20 : 72,002.70 = 37,720.20 : x
  2. Step 2: Convert to fraction form
    48,088.20/72,002.70 = 37,720.20/x
  3. Step 3: Cross multiply
    48,088.20x = 72,002.70 × 37,720.20
  4. Step 4: Simplify right side
    48,088.20x = 2,715,956,244.54
  5. Step 5: Solve for x
    x = 2,715,956,244.54/48,088.20
  6. Step 6: Final answer
    x = 56,478.64

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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.