Home / 97,826.90-135,001.62-55,393.70

Finding the Fourth Proportional to 97,826.90, 135,001.62 and 55,393.70

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Solution

The fourth proportional to 97,826.90, 135,001.62 and 55,393.70 is: 76,443.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,826.90 : 135,001.62 = 55,393.70 : x
  2. Step 2: Convert to fraction form
    97,826.90/135,001.62 = 55,393.70/x
  3. Step 3: Cross multiply
    97,826.90x = 135,001.62 × 55,393.70
  4. Step 4: Simplify right side
    97,826.90x = 7,478,238,562.79
  5. Step 5: Solve for x
    x = 7,478,238,562.79/97,826.90
  6. Step 6: Final answer
    x = 76,443.58

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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.