Home / 70,168.15-96,827.40-39,956.56

Finding the Fourth Proportional to 70,168.15, 96,827.40 and 39,956.56

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Solution

The fourth proportional to 70,168.15, 96,827.40 and 39,956.56 is: 55,137.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,168.15 : 96,827.40 = 39,956.56 : x
  2. Step 2: Convert to fraction form
    70,168.15/96,827.40 = 39,956.56/x
  3. Step 3: Cross multiply
    70,168.15x = 96,827.40 × 39,956.56
  4. Step 4: Simplify right side
    70,168.15x = 3,868,889,817.74
  5. Step 5: Solve for x
    x = 3,868,889,817.74/70,168.15
  6. Step 6: Final answer
    x = 55,137.41

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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.