Home / 108,086.96-149,117.64-62,757.20

Finding the Fourth Proportional to 108,086.96, 149,117.64 and 62,757.20

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Solution

The fourth proportional to 108,086.96, 149,117.64 and 62,757.20 is: 86,580.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,086.96 : 149,117.64 = 62,757.20 : x
  2. Step 2: Convert to fraction form
    108,086.96/149,117.64 = 62,757.20/x
  3. Step 3: Cross multiply
    108,086.96x = 149,117.64 × 62,757.20
  4. Step 4: Simplify right side
    108,086.96x = 9,358,205,557.01
  5. Step 5: Solve for x
    x = 9,358,205,557.01/108,086.96
  6. Step 6: Final answer
    x = 86,580.34

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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.