Home / 70,826.27-97,736.54-38,989.02

Finding the Fourth Proportional to 70,826.27, 97,736.54 and 38,989.02

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Solution

The fourth proportional to 70,826.27, 97,736.54 and 38,989.02 is: 53,802.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,826.27 : 97,736.54 = 38,989.02 : x
  2. Step 2: Convert to fraction form
    70,826.27/97,736.54 = 38,989.02/x
  3. Step 3: Cross multiply
    70,826.27x = 97,736.54 × 38,989.02
  4. Step 4: Simplify right side
    70,826.27x = 3,810,652,010.26
  5. Step 5: Solve for x
    x = 3,810,652,010.26/70,826.27
  6. Step 6: Final answer
    x = 53,802.80

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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.