Home / 112,610.52-155,402.53-61,623.26

Finding the Fourth Proportional to 112,610.52, 155,402.53 and 61,623.26

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Solution

The fourth proportional to 112,610.52, 155,402.53 and 61,623.26 is: 85,040.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,610.52 : 155,402.53 = 61,623.26 : x
  2. Step 2: Convert to fraction form
    112,610.52/155,402.53 = 61,623.26/x
  3. Step 3: Cross multiply
    112,610.52x = 155,402.53 × 61,623.26
  4. Step 4: Simplify right side
    112,610.52x = 9,576,409,425.72
  5. Step 5: Solve for x
    x = 9,576,409,425.72/112,610.52
  6. Step 6: Final answer
    x = 85,040.10

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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.