Home / 109,832.31-151,567.56-61,433.66

Finding the Fourth Proportional to 109,832.31, 151,567.56 and 61,433.66

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Solution

The fourth proportional to 109,832.31, 151,567.56 and 61,433.66 is: 84,777.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,832.31 : 151,567.56 = 61,433.66 : x
  2. Step 2: Convert to fraction form
    109,832.31/151,567.56 = 61,433.66/x
  3. Step 3: Cross multiply
    109,832.31x = 151,567.56 × 61,433.66
  4. Step 4: Simplify right side
    109,832.31x = 9,311,350,326.99
  5. Step 5: Solve for x
    x = 9,311,350,326.99/109,832.31
  6. Step 6: Final answer
    x = 84,777.88

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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.