Home / 108,443.36-149,650.34-60,696.68

Finding the Fourth Proportional to 108,443.36, 149,650.34 and 60,696.68

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Solution

The fourth proportional to 108,443.36, 149,650.34 and 60,696.68 is: 83,760.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,443.36 : 149,650.34 = 60,696.68 : x
  2. Step 2: Convert to fraction form
    108,443.36/149,650.34 = 60,696.68/x
  3. Step 3: Cross multiply
    108,443.36x = 149,650.34 × 60,696.68
  4. Step 4: Simplify right side
    108,443.36x = 9,083,278,798.87
  5. Step 5: Solve for x
    x = 9,083,278,798.87/108,443.36
  6. Step 6: Final answer
    x = 83,760.58

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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.