Home / 68,432.76-94,436.32-38,218.64

Finding the Fourth Proportional to 68,432.76, 94,436.32 and 38,218.64

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Solution

The fourth proportional to 68,432.76, 94,436.32 and 38,218.64 is: 52,741.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,432.76 : 94,436.32 = 38,218.64 : x
  2. Step 2: Convert to fraction form
    68,432.76/94,436.32 = 38,218.64/x
  3. Step 3: Cross multiply
    68,432.76x = 94,436.32 × 38,218.64
  4. Step 4: Simplify right side
    68,432.76x = 3,609,227,717.00
  5. Step 5: Solve for x
    x = 3,609,227,717.00/68,432.76
  6. Step 6: Final answer
    x = 52,741.23

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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.