Home / 70,827.20-97,438.56-68,859.44

Finding the Fourth Proportional to 70,827.20, 97,438.56 and 68,859.44

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Solution

The fourth proportional to 70,827.20, 97,438.56 and 68,859.44 is: 94,731.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,827.20 : 97,438.56 = 68,859.44 : x
  2. Step 2: Convert to fraction form
    70,827.20/97,438.56 = 68,859.44/x
  3. Step 3: Cross multiply
    70,827.20x = 97,438.56 × 68,859.44
  4. Step 4: Simplify right side
    70,827.20x = 6,709,564,676.01
  5. Step 5: Solve for x
    x = 6,709,564,676.01/70,827.20
  6. Step 6: Final answer
    x = 94,731.47

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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.