Home / 48,808.20-73,115.10-28,007.40

Finding the Fourth Proportional to 48,808.20, 73,115.10 and 28,007.40

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Solution

The fourth proportional to 48,808.20, 73,115.10 and 28,007.40 is: 41,955.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,808.20 : 73,115.10 = 28,007.40 : x
  2. Step 2: Convert to fraction form
    48,808.20/73,115.10 = 28,007.40/x
  3. Step 3: Cross multiply
    48,808.20x = 73,115.10 × 28,007.40
  4. Step 4: Simplify right side
    48,808.20x = 2,047,763,851.74
  5. Step 5: Solve for x
    x = 2,047,763,851.74/48,808.20
  6. Step 6: Final answer
    x = 41,955.32

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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.