Home / 97,561.62-134,636.76-55,120.86

Finding the Fourth Proportional to 97,561.62, 134,636.76 and 55,120.86

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Solution

The fourth proportional to 97,561.62, 134,636.76 and 55,120.86 is: 76,067.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,561.62 : 134,636.76 = 55,120.86 : x
  2. Step 2: Convert to fraction form
    97,561.62/134,636.76 = 55,120.86/x
  3. Step 3: Cross multiply
    97,561.62x = 134,636.76 × 55,120.86
  4. Step 4: Simplify right side
    97,561.62x = 7,421,293,998.81
  5. Step 5: Solve for x
    x = 7,421,293,998.81/97,561.62
  6. Step 6: Final answer
    x = 76,067.76

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1.5x scale

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.