Home / 70,975.90-97,914.72-40,753.72

Finding the Fourth Proportional to 70,975.90, 97,914.72 and 40,753.72

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Solution

The fourth proportional to 70,975.90, 97,914.72 and 40,753.72 is: 56,221.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,975.90 : 97,914.72 = 40,753.72 : x
  2. Step 2: Convert to fraction form
    70,975.90/97,914.72 = 40,753.72/x
  3. Step 3: Cross multiply
    70,975.90x = 97,914.72 × 40,753.72
  4. Step 4: Simplify right side
    70,975.90x = 3,990,389,082.76
  5. Step 5: Solve for x
    x = 3,990,389,082.76/70,975.90
  6. Step 6: Final answer
    x = 56,221.75

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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.