Home / 106,758.98-147,321.05-59,009.48

Finding the Fourth Proportional to 106,758.98, 147,321.05 and 59,009.48

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Solution

The fourth proportional to 106,758.98, 147,321.05 and 59,009.48 is: 81,429.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,758.98 : 147,321.05 = 59,009.48 : x
  2. Step 2: Convert to fraction form
    106,758.98/147,321.05 = 59,009.48/x
  3. Step 3: Cross multiply
    106,758.98x = 147,321.05 × 59,009.48
  4. Step 4: Simplify right side
    106,758.98x = 8,693,337,964.47
  5. Step 5: Solve for x
    x = 8,693,337,964.47/106,758.98
  6. Step 6: Final answer
    x = 81,429.58

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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.