Home / 48,408.10-72,612.15-40,632.10

Finding the Fourth Proportional to 48,408.10, 72,612.15 and 40,632.10

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Solution

The fourth proportional to 48,408.10, 72,612.15 and 40,632.10 is: 60,948.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,408.10 : 72,612.15 = 40,632.10 : x
  2. Step 2: Convert to fraction form
    48,408.10/72,612.15 = 40,632.10/x
  3. Step 3: Cross multiply
    48,408.10x = 72,612.15 × 40,632.10
  4. Step 4: Simplify right side
    48,408.10x = 2,950,384,140.02
  5. Step 5: Solve for x
    x = 2,950,384,140.02/48,408.10
  6. Step 6: Final answer
    x = 60,948.15

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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.