Home / 81,759.46-112,837.40-45,464.52

Finding the Fourth Proportional to 81,759.46, 112,837.40 and 45,464.52

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Solution

The fourth proportional to 81,759.46, 112,837.40 and 45,464.52 is: 62,746.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,759.46 : 112,837.40 = 45,464.52 : x
  2. Step 2: Convert to fraction form
    81,759.46/112,837.40 = 45,464.52/x
  3. Step 3: Cross multiply
    81,759.46x = 112,837.40 × 45,464.52
  4. Step 4: Simplify right side
    81,759.46x = 5,130,098,229.05
  5. Step 5: Solve for x
    x = 5,130,098,229.05/81,759.46
  6. Step 6: Final answer
    x = 62,746.24

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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.