Home / 51,110.15-70,531.26-28,449.11

Finding the Fourth Proportional to 51,110.15, 70,531.26 and 28,449.11

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Solution

The fourth proportional to 51,110.15, 70,531.26 and 28,449.11 is: 39,259.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,110.15 : 70,531.26 = 28,449.11 : x
  2. Step 2: Convert to fraction form
    51,110.15/70,531.26 = 28,449.11/x
  3. Step 3: Cross multiply
    51,110.15x = 70,531.26 × 28,449.11
  4. Step 4: Simplify right side
    51,110.15x = 2,006,551,724.67
  5. Step 5: Solve for x
    x = 2,006,551,724.67/51,110.15
  6. Step 6: Final answer
    x = 39,259.36

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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.