Home / 68,642.31-94,725.18-38,014.77

Finding the Fourth Proportional to 68,642.31, 94,725.18 and 38,014.77

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Solution

The fourth proportional to 68,642.31, 94,725.18 and 38,014.77 is: 52,459.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,642.31 : 94,725.18 = 38,014.77 : x
  2. Step 2: Convert to fraction form
    68,642.31/94,725.18 = 38,014.77/x
  3. Step 3: Cross multiply
    68,642.31x = 94,725.18 × 38,014.77
  4. Step 4: Simplify right side
    68,642.31x = 3,600,955,930.91
  5. Step 5: Solve for x
    x = 3,600,955,930.91/68,642.31
  6. Step 6: Final answer
    x = 52,459.71

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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.