Home / 52,642.26-79,018.08-30,498.90

Finding the Fourth Proportional to 52,642.26, 79,018.08 and 30,498.90

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Solution

The fourth proportional to 52,642.26, 79,018.08 and 30,498.90 is: 45,780.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,642.26 : 79,018.08 = 30,498.90 : x
  2. Step 2: Convert to fraction form
    52,642.26/79,018.08 = 30,498.90/x
  3. Step 3: Cross multiply
    52,642.26x = 79,018.08 × 30,498.90
  4. Step 4: Simplify right side
    52,642.26x = 2,409,964,520.11
  5. Step 5: Solve for x
    x = 2,409,964,520.11/52,642.26
  6. Step 6: Final answer
    x = 45,780.04

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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.