Home / 70,171.18-96,836.32-39,956.52

Finding the Fourth Proportional to 70,171.18, 96,836.32 and 39,956.52

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Solution

The fourth proportional to 70,171.18, 96,836.32 and 39,956.52 is: 55,140.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,171.18 : 96,836.32 = 39,956.52 : x
  2. Step 2: Convert to fraction form
    70,171.18/96,836.32 = 39,956.52/x
  3. Step 3: Cross multiply
    70,171.18x = 96,836.32 × 39,956.52
  4. Step 4: Simplify right side
    70,171.18x = 3,869,242,356.81
  5. Step 5: Solve for x
    x = 3,869,242,356.81/70,171.18
  6. Step 6: Final answer
    x = 55,140.05

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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.