Home / 81,360.96-112,278.40-45,551.04

Finding the Fourth Proportional to 81,360.96, 112,278.40 and 45,551.04

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Solution

The fourth proportional to 81,360.96, 112,278.40 and 45,551.04 is: 62,860.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,360.96 : 112,278.40 = 45,551.04 : x
  2. Step 2: Convert to fraction form
    81,360.96/112,278.40 = 45,551.04/x
  3. Step 3: Cross multiply
    81,360.96x = 112,278.40 × 45,551.04
  4. Step 4: Simplify right side
    81,360.96x = 5,114,397,889.54
  5. Step 5: Solve for x
    x = 5,114,397,889.54/81,360.96
  6. Step 6: Final answer
    x = 62,860.59

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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.