Home / 106,825.26-147,432.83-61,505.16

Finding the Fourth Proportional to 106,825.26, 147,432.83 and 61,505.16

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Solution

The fourth proportional to 106,825.26, 147,432.83 and 61,505.16 is: 84,885.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,825.26 : 147,432.83 = 61,505.16 : x
  2. Step 2: Convert to fraction form
    106,825.26/147,432.83 = 61,505.16/x
  3. Step 3: Cross multiply
    106,825.26x = 147,432.83 × 61,505.16
  4. Step 4: Simplify right side
    106,825.26x = 9,067,878,938.00
  5. Step 5: Solve for x
    x = 9,067,878,938.00/106,825.26
  6. Step 6: Final answer
    x = 84,885.15

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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.