Home / 48,135.48-66,399.12-29,002.20

Finding the Fourth Proportional to 48,135.48, 66,399.12 and 29,002.20

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Solution

The fourth proportional to 48,135.48, 66,399.12 and 29,002.20 is: 40,006.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,135.48 : 66,399.12 = 29,002.20 : x
  2. Step 2: Convert to fraction form
    48,135.48/66,399.12 = 29,002.20/x
  3. Step 3: Cross multiply
    48,135.48x = 66,399.12 × 29,002.20
  4. Step 4: Simplify right side
    48,135.48x = 1,925,720,558.06
  5. Step 5: Solve for x
    x = 1,925,720,558.06/48,135.48
  6. Step 6: Final answer
    x = 40,006.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.