Home / 70,440.30-97,207.39-38,175.86

Finding the Fourth Proportional to 70,440.30, 97,207.39 and 38,175.86

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Solution

The fourth proportional to 70,440.30, 97,207.39 and 38,175.86 is: 52,682.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,440.30 : 97,207.39 = 38,175.86 : x
  2. Step 2: Convert to fraction form
    70,440.30/97,207.39 = 38,175.86/x
  3. Step 3: Cross multiply
    70,440.30x = 97,207.39 × 38,175.86
  4. Step 4: Simplify right side
    70,440.30x = 3,710,975,455.55
  5. Step 5: Solve for x
    x = 3,710,975,455.55/70,440.30
  6. Step 6: Final answer
    x = 52,682.56

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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.