Home / 108,020.36-149,099.38-62,708.52

Finding the Fourth Proportional to 108,020.36, 149,099.38 and 62,708.52

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Solution

The fourth proportional to 108,020.36, 149,099.38 and 62,708.52 is: 86,555.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,020.36 : 149,099.38 = 62,708.52 : x
  2. Step 2: Convert to fraction form
    108,020.36/149,099.38 = 62,708.52/x
  3. Step 3: Cross multiply
    108,020.36x = 149,099.38 × 62,708.52
  4. Step 4: Simplify right side
    108,020.36x = 9,349,801,452.72
  5. Step 5: Solve for x
    x = 9,349,801,452.72/108,020.36
  6. Step 6: Final answer
    x = 86,555.92

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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.