Home / 70,693.11-97,558.35-38,429.90

Finding the Fourth Proportional to 70,693.11, 97,558.35 and 38,429.90

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Solution

The fourth proportional to 70,693.11, 97,558.35 and 38,429.90 is: 53,034.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,693.11 : 97,558.35 = 38,429.90 : x
  2. Step 2: Convert to fraction form
    70,693.11/97,558.35 = 38,429.90/x
  3. Step 3: Cross multiply
    70,693.11x = 97,558.35 × 38,429.90
  4. Step 4: Simplify right side
    70,693.11x = 3,749,157,146.87
  5. Step 5: Solve for x
    x = 3,749,157,146.87/70,693.11
  6. Step 6: Final answer
    x = 53,034.27

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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.