Home / 51,479.12-77,109.32-29,281.08

Finding the Fourth Proportional to 51,479.12, 77,109.32 and 29,281.08

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Solution

The fourth proportional to 51,479.12, 77,109.32 and 29,281.08 is: 43,859.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,479.12 : 77,109.32 = 29,281.08 : x
  2. Step 2: Convert to fraction form
    51,479.12/77,109.32 = 29,281.08/x
  3. Step 3: Cross multiply
    51,479.12x = 77,109.32 × 29,281.08
  4. Step 4: Simplify right side
    51,479.12x = 2,257,844,167.67
  5. Step 5: Solve for x
    x = 2,257,844,167.67/51,479.12
  6. Step 6: Final answer
    x = 43,859.42

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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.