Home / 97,879.68-135,050.82-57,595.20

Finding the Fourth Proportional to 97,879.68, 135,050.82 and 57,595.20

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Solution

The fourth proportional to 97,879.68, 135,050.82 and 57,595.20 is: 79,467.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,879.68 : 135,050.82 = 57,595.20 : x
  2. Step 2: Convert to fraction form
    97,879.68/135,050.82 = 57,595.20/x
  3. Step 3: Cross multiply
    97,879.68x = 135,050.82 × 57,595.20
  4. Step 4: Simplify right side
    97,879.68x = 7,778,278,988.06
  5. Step 5: Solve for x
    x = 7,778,278,988.06/97,879.68
  6. Step 6: Final answer
    x = 79,467.76

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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.