Home / 70,902.18-97,847.22-40,693.02

Finding the Fourth Proportional to 70,902.18, 97,847.22 and 40,693.02

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Solution

The fourth proportional to 70,902.18, 97,847.22 and 40,693.02 is: 56,157.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,902.18 : 97,847.22 = 40,693.02 : x
  2. Step 2: Convert to fraction form
    70,902.18/97,847.22 = 40,693.02/x
  3. Step 3: Cross multiply
    70,902.18x = 97,847.22 × 40,693.02
  4. Step 4: Simplify right side
    70,902.18x = 3,981,698,880.40
  5. Step 5: Solve for x
    x = 3,981,698,880.40/70,902.18
  6. Step 6: Final answer
    x = 56,157.64

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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.