Home / 108,440.68-149,650.82-60,693.64

Finding the Fourth Proportional to 108,440.68, 149,650.82 and 60,693.64

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Solution

The fourth proportional to 108,440.68, 149,650.82 and 60,693.64 is: 83,758.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,440.68 : 149,650.82 = 60,693.64 : x
  2. Step 2: Convert to fraction form
    108,440.68/149,650.82 = 60,693.64/x
  3. Step 3: Cross multiply
    108,440.68x = 149,650.82 × 60,693.64
  4. Step 4: Simplify right side
    108,440.68x = 9,082,852,994.78
  5. Step 5: Solve for x
    x = 9,082,852,994.78/108,440.68
  6. Step 6: Final answer
    x = 83,758.72

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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.