Home / 70,962.41-97,928.78-40,747.28

Finding the Fourth Proportional to 70,962.41, 97,928.78 and 40,747.28

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Solution

The fourth proportional to 70,962.41, 97,928.78 and 40,747.28 is: 56,231.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,962.41 : 97,928.78 = 40,747.28 : x
  2. Step 2: Convert to fraction form
    70,962.41/97,928.78 = 40,747.28/x
  3. Step 3: Cross multiply
    70,962.41x = 97,928.78 × 40,747.28
  4. Step 4: Simplify right side
    70,962.41x = 3,990,330,725.34
  5. Step 5: Solve for x
    x = 3,990,330,725.34/70,962.41
  6. Step 6: Final answer
    x = 56,231.61

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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.