Home / 60,310.08-90,344.16-30,726.72

Finding the Fourth Proportional to 60,310.08, 90,344.16 and 30,726.72

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Solution

The fourth proportional to 60,310.08, 90,344.16 and 30,726.72 is: 46,028.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,310.08 : 90,344.16 = 30,726.72 : x
  2. Step 2: Convert to fraction form
    60,310.08/90,344.16 = 30,726.72/x
  3. Step 3: Cross multiply
    60,310.08x = 90,344.16 × 30,726.72
  4. Step 4: Simplify right side
    60,310.08x = 2,775,979,707.96
  5. Step 5: Solve for x
    x = 2,775,979,707.96/60,310.08
  6. Step 6: Final answer
    x = 46,028.45

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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.