Home / 106,428.38-146,877.72-58,681.58

Finding the Fourth Proportional to 106,428.38, 146,877.72 and 58,681.58

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Solution

The fourth proportional to 106,428.38, 146,877.72 and 58,681.58 is: 80,984.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,428.38 : 146,877.72 = 58,681.58 : x
  2. Step 2: Convert to fraction form
    106,428.38/146,877.72 = 58,681.58/x
  3. Step 3: Cross multiply
    106,428.38x = 146,877.72 × 58,681.58
  4. Step 4: Simplify right side
    106,428.38x = 8,619,016,676.40
  5. Step 5: Solve for x
    x = 8,619,016,676.40/106,428.38
  6. Step 6: Final answer
    x = 80,984.19

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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.