Home / 97,682.72-134,759.52-57,325.28

Finding the Fourth Proportional to 97,682.72, 134,759.52 and 57,325.28

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Solution

The fourth proportional to 97,682.72, 134,759.52 and 57,325.28 is: 79,083.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,682.72 : 134,759.52 = 57,325.28 : x
  2. Step 2: Convert to fraction form
    97,682.72/134,759.52 = 57,325.28/x
  3. Step 3: Cross multiply
    97,682.72x = 134,759.52 × 57,325.28
  4. Step 4: Simplify right side
    97,682.72x = 7,725,127,216.67
  5. Step 5: Solve for x
    x = 7,725,127,216.67/97,682.72
  6. Step 6: Final answer
    x = 79,083.87

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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.