Home / 112,932.48-155,851.29-61,947.03

Finding the Fourth Proportional to 112,932.48, 155,851.29 and 61,947.03

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Solution

The fourth proportional to 112,932.48, 155,851.29 and 61,947.03 is: 85,489.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,932.48 : 155,851.29 = 61,947.03 : x
  2. Step 2: Convert to fraction form
    112,932.48/155,851.29 = 61,947.03/x
  3. Step 3: Cross multiply
    112,932.48x = 155,851.29 × 61,947.03
  4. Step 4: Simplify right side
    112,932.48x = 9,654,524,537.17
  5. Step 5: Solve for x
    x = 9,654,524,537.17/112,932.48
  6. Step 6: Final answer
    x = 85,489.35

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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.