Home / 106,759.10-147,321.23-59,009.60

Finding the Fourth Proportional to 106,759.10, 147,321.23 and 59,009.60

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Solution

The fourth proportional to 106,759.10, 147,321.23 and 59,009.60 is: 81,429.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,759.10 : 147,321.23 = 59,009.60 : x
  2. Step 2: Convert to fraction form
    106,759.10/147,321.23 = 59,009.60/x
  3. Step 3: Cross multiply
    106,759.10x = 147,321.23 × 59,009.60
  4. Step 4: Simplify right side
    106,759.10x = 8,693,366,558.76
  5. Step 5: Solve for x
    x = 8,693,366,558.76/106,759.10
  6. Step 6: Final answer
    x = 81,429.75

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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.