Home / 97,930.24-135,151.22-54,913.66

Finding the Fourth Proportional to 97,930.24, 135,151.22 and 54,913.66

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Solution

The fourth proportional to 97,930.24, 135,151.22 and 54,913.66 is: 75,785.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,930.24 : 135,151.22 = 54,913.66 : x
  2. Step 2: Convert to fraction form
    97,930.24/135,151.22 = 54,913.66/x
  3. Step 3: Cross multiply
    97,930.24x = 135,151.22 × 54,913.66
  4. Step 4: Simplify right side
    97,930.24x = 7,421,648,143.67
  5. Step 5: Solve for x
    x = 7,421,648,143.67/97,930.24
  6. Step 6: Final answer
    x = 75,785.05

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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.