Home / 97,769.16-134,913.87-55,330.56

Finding the Fourth Proportional to 97,769.16, 134,913.87 and 55,330.56

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Solution

The fourth proportional to 97,769.16, 134,913.87 and 55,330.56 is: 76,351.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,769.16 : 134,913.87 = 55,330.56 : x
  2. Step 2: Convert to fraction form
    97,769.16/134,913.87 = 55,330.56/x
  3. Step 3: Cross multiply
    97,769.16x = 134,913.87 × 55,330.56
  4. Step 4: Simplify right side
    97,769.16x = 7,464,859,978.87
  5. Step 5: Solve for x
    x = 7,464,859,978.87/97,769.16
  6. Step 6: Final answer
    x = 76,351.89

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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.