Home / 48,129.12-66,400.56-29,013.12

Finding the Fourth Proportional to 48,129.12, 66,400.56 and 29,013.12

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Solution

The fourth proportional to 48,129.12, 66,400.56 and 29,013.12 is: 40,027.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,129.12 : 66,400.56 = 29,013.12 : x
  2. Step 2: Convert to fraction form
    48,129.12/66,400.56 = 29,013.12/x
  3. Step 3: Cross multiply
    48,129.12x = 66,400.56 × 29,013.12
  4. Step 4: Simplify right side
    48,129.12x = 1,926,487,415.35
  5. Step 5: Solve for x
    x = 1,926,487,415.35/48,129.12
  6. Step 6: Final answer
    x = 40,027.48

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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.