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Finding the Fourth Proportional to 68,656.96, 94,742.02 and 38,437.18

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Solution

The fourth proportional to 68,656.96, 94,742.02 and 38,437.18 is: 53,040.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,656.96 : 94,742.02 = 38,437.18 : x
  2. Step 2: Convert to fraction form
    68,656.96/94,742.02 = 38,437.18/x
  3. Step 3: Cross multiply
    68,656.96x = 94,742.02 × 38,437.18
  4. Step 4: Simplify right side
    68,656.96x = 3,641,616,076.30
  5. Step 5: Solve for x
    x = 3,641,616,076.30/68,656.96
  6. Step 6: Final answer
    x = 53,040.74

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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.