Home / 61,642.31-85,067.08-34,785.14

Finding the Fourth Proportional to 61,642.31, 85,067.08 and 34,785.14

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Solution

The fourth proportional to 61,642.31, 85,067.08 and 34,785.14 is: 48,003.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,642.31 : 85,067.08 = 34,785.14 : x
  2. Step 2: Convert to fraction form
    61,642.31/85,067.08 = 34,785.14/x
  3. Step 3: Cross multiply
    61,642.31x = 85,067.08 × 34,785.14
  4. Step 4: Simplify right side
    61,642.31x = 2,959,069,774.89
  5. Step 5: Solve for x
    x = 2,959,069,774.89/61,642.31
  6. Step 6: Final answer
    x = 48,003.88

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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.