Home / 106,759.38-147,321.54-59,009.88

Finding the Fourth Proportional to 106,759.38, 147,321.54 and 59,009.88

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Solution

The fourth proportional to 106,759.38, 147,321.54 and 59,009.88 is: 81,430.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,759.38 : 147,321.54 = 59,009.88 : x
  2. Step 2: Convert to fraction form
    106,759.38/147,321.54 = 59,009.88/x
  3. Step 3: Cross multiply
    106,759.38x = 147,321.54 × 59,009.88
  4. Step 4: Simplify right side
    106,759.38x = 8,693,426,396.82
  5. Step 5: Solve for x
    x = 8,693,426,396.82/106,759.38
  6. Step 6: Final answer
    x = 81,430.09

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1.5x scale

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.