Home / 97,806.12-134,975.66-55,363.74

Finding the Fourth Proportional to 97,806.12, 134,975.66 and 55,363.74

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Solution

The fourth proportional to 97,806.12, 134,975.66 and 55,363.74 is: 76,403.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,806.12 : 134,975.66 = 55,363.74 : x
  2. Step 2: Convert to fraction form
    97,806.12/134,975.66 = 55,363.74/x
  3. Step 3: Cross multiply
    97,806.12x = 134,975.66 × 55,363.74
  4. Step 4: Simplify right side
    97,806.12x = 7,472,757,346.57
  5. Step 5: Solve for x
    x = 7,472,757,346.57/97,806.12
  6. Step 6: Final answer
    x = 76,403.78

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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.