Home / 108,666.35-149,963.46-63,337.03

Finding the Fourth Proportional to 108,666.35, 149,963.46 and 63,337.03

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Solution

The fourth proportional to 108,666.35, 149,963.46 and 63,337.03 is: 87,407.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,666.35 : 149,963.46 = 63,337.03 : x
  2. Step 2: Convert to fraction form
    108,666.35/149,963.46 = 63,337.03/x
  3. Step 3: Cross multiply
    108,666.35x = 149,963.46 × 63,337.03
  4. Step 4: Simplify right side
    108,666.35x = 9,498,239,790.02
  5. Step 5: Solve for x
    x = 9,498,239,790.02/108,666.35
  6. Step 6: Final answer
    x = 87,407.37

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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.