Home / 106,520.67-147,001.60-58,777.10

Finding the Fourth Proportional to 106,520.67, 147,001.60 and 58,777.10

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Solution

The fourth proportional to 106,520.67, 147,001.60 and 58,777.10 is: 81,114.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,520.67 : 147,001.60 = 58,777.10 : x
  2. Step 2: Convert to fraction form
    106,520.67/147,001.60 = 58,777.10/x
  3. Step 3: Cross multiply
    106,520.67x = 147,001.60 × 58,777.10
  4. Step 4: Simplify right side
    106,520.67x = 8,640,327,192.03
  5. Step 5: Solve for x
    x = 8,640,327,192.03/106,520.67
  6. Step 6: Final answer
    x = 81,114.09

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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.