Home / 97,856.91-135,040.25-57,573.27

Finding the Fourth Proportional to 97,856.91, 135,040.25 and 57,573.27

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Solution

The fourth proportional to 97,856.91, 135,040.25 and 57,573.27 is: 79,449.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,856.91 : 135,040.25 = 57,573.27 : x
  2. Step 2: Convert to fraction form
    97,856.91/135,040.25 = 57,573.27/x
  3. Step 3: Cross multiply
    97,856.91x = 135,040.25 × 57,573.27
  4. Step 4: Simplify right side
    97,856.91x = 7,774,708,774.12
  5. Step 5: Solve for x
    x = 7,774,708,774.12/97,856.91
  6. Step 6: Final answer
    x = 79,449.77

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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.