Home / 70,826.52-97,736.89-38,989.27

Finding the Fourth Proportional to 70,826.52, 97,736.89 and 38,989.27

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Solution

The fourth proportional to 70,826.52, 97,736.89 and 38,989.27 is: 53,803.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,826.52 : 97,736.89 = 38,989.27 : x
  2. Step 2: Convert to fraction form
    70,826.52/97,736.89 = 38,989.27/x
  3. Step 3: Cross multiply
    70,826.52x = 97,736.89 × 38,989.27
  4. Step 4: Simplify right side
    70,826.52x = 3,810,689,993.17
  5. Step 5: Solve for x
    x = 3,810,689,993.17/70,826.52
  6. Step 6: Final answer
    x = 53,803.15

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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.