Home / 106,766.28-147,343.14-61,451.16

Finding the Fourth Proportional to 106,766.28, 147,343.14 and 61,451.16

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Solution

The fourth proportional to 106,766.28, 147,343.14 and 61,451.16 is: 84,805.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,766.28 : 147,343.14 = 61,451.16 : x
  2. Step 2: Convert to fraction form
    106,766.28/147,343.14 = 61,451.16/x
  3. Step 3: Cross multiply
    106,766.28x = 147,343.14 × 61,451.16
  4. Step 4: Simplify right side
    106,766.28x = 9,054,406,871.04
  5. Step 5: Solve for x
    x = 9,054,406,871.04/106,766.28
  6. Step 6: Final answer
    x = 84,805.87

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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.