Home / 68,639.56-94,717.36-38,417.96

Finding the Fourth Proportional to 68,639.56, 94,717.36 and 38,417.96

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Solution

The fourth proportional to 68,639.56, 94,717.36 and 38,417.96 is: 53,013.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,639.56 : 94,717.36 = 38,417.96 : x
  2. Step 2: Convert to fraction form
    68,639.56/94,717.36 = 38,417.96/x
  3. Step 3: Cross multiply
    68,639.56x = 94,717.36 × 38,417.96
  4. Step 4: Simplify right side
    68,639.56x = 3,638,847,747.79
  5. Step 5: Solve for x
    x = 3,638,847,747.79/68,639.56
  6. Step 6: Final answer
    x = 53,013.86

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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.