Home / 106,428.65-159,505.04-43,175.13

Finding the Fourth Proportional to 106,428.65, 159,505.04 and 43,175.13

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Solution

The fourth proportional to 106,428.65, 159,505.04 and 43,175.13 is: 64,706.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,428.65 : 159,505.04 = 43,175.13 : x
  2. Step 2: Convert to fraction form
    106,428.65/159,505.04 = 43,175.13/x
  3. Step 3: Cross multiply
    106,428.65x = 159,505.04 × 43,175.13
  4. Step 4: Simplify right side
    106,428.65x = 6,886,650,621.78
  5. Step 5: Solve for x
    x = 6,886,650,621.78/106,428.65
  6. Step 6: Final answer
    x = 64,706.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.