Home / 70,730.11-97,607.82-38,901.01

Finding the Fourth Proportional to 70,730.11, 97,607.82 and 38,901.01

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Solution

The fourth proportional to 70,730.11, 97,607.82 and 38,901.01 is: 53,683.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,730.11 : 97,607.82 = 38,901.01 : x
  2. Step 2: Convert to fraction form
    70,730.11/97,607.82 = 38,901.01/x
  3. Step 3: Cross multiply
    70,730.11x = 97,607.82 × 38,901.01
  4. Step 4: Simplify right side
    70,730.11x = 3,797,042,781.90
  5. Step 5: Solve for x
    x = 3,797,042,781.90/70,730.11
  6. Step 6: Final answer
    x = 53,683.54

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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.