Home / 106,568.10-146,973.69-64,118.70

Finding the Fourth Proportional to 106,568.10, 146,973.69 and 64,118.70

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Solution

The fourth proportional to 106,568.10, 146,973.69 and 64,118.70 is: 88,429.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,568.10 : 146,973.69 = 64,118.70 : x
  2. Step 2: Convert to fraction form
    106,568.10/146,973.69 = 64,118.70/x
  3. Step 3: Cross multiply
    106,568.10x = 146,973.69 × 64,118.70
  4. Step 4: Simplify right side
    106,568.10x = 9,423,761,937.00
  5. Step 5: Solve for x
    x = 9,423,761,937.00/106,568.10
  6. Step 6: Final answer
    x = 88,429.48

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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.