Home / 106,839.16-147,425.10-59,086

Finding the Fourth Proportional to 106,839.16, 147,425.10 and 59,086

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Solution

The fourth proportional to 106,839.16, 147,425.10 and 59,086 is: 81,531.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,839.16 : 147,425.10 = 59,086 : x
  2. Step 2: Convert to fraction form
    106,839.16/147,425.10 = 59,086/x
  3. Step 3: Cross multiply
    106,839.16x = 147,425.10 × 59,086
  4. Step 4: Simplify right side
    106,839.16x = 8,710,759,458.60
  5. Step 5: Solve for x
    x = 8,710,759,458.60/106,839.16
  6. Step 6: Final answer
    x = 81,531.52

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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.