Home / 108,455.49-149,661.54-60,708.42

Finding the Fourth Proportional to 108,455.49, 149,661.54 and 60,708.42

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Solution

The fourth proportional to 108,455.49, 149,661.54 and 60,708.42 is: 83,773.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,455.49 : 149,661.54 = 60,708.42 : x
  2. Step 2: Convert to fraction form
    108,455.49/149,661.54 = 60,708.42/x
  3. Step 3: Cross multiply
    108,455.49x = 149,661.54 × 60,708.42
  4. Step 4: Simplify right side
    108,455.49x = 9,085,715,628.17
  5. Step 5: Solve for x
    x = 9,085,715,628.17/108,455.49
  6. Step 6: Final answer
    x = 83,773.68

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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.