Home / 108,022.68-149,100.75-62,714.86

Finding the Fourth Proportional to 108,022.68, 149,100.75 and 62,714.86

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Solution

The fourth proportional to 108,022.68, 149,100.75 and 62,714.86 is: 86,563.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,022.68 : 149,100.75 = 62,714.86 : x
  2. Step 2: Convert to fraction form
    108,022.68/149,100.75 = 62,714.86/x
  3. Step 3: Cross multiply
    108,022.68x = 149,100.75 × 62,714.86
  4. Step 4: Simplify right side
    108,022.68x = 9,350,832,289.39
  5. Step 5: Solve for x
    x = 9,350,832,289.39/108,022.68
  6. Step 6: Final answer
    x = 86,563.60

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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.