Home / 88,488.36-132,665.85-53,419.68

Finding the Fourth Proportional to 88,488.36, 132,665.85 and 53,419.68

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Solution

The fourth proportional to 88,488.36, 132,665.85 and 53,419.68 is: 80,089.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,488.36 : 132,665.85 = 53,419.68 : x
  2. Step 2: Convert to fraction form
    88,488.36/132,665.85 = 53,419.68/x
  3. Step 3: Cross multiply
    88,488.36x = 132,665.85 × 53,419.68
  4. Step 4: Simplify right side
    88,488.36x = 7,086,967,253.93
  5. Step 5: Solve for x
    x = 7,086,967,253.93/88,488.36
  6. Step 6: Final answer
    x = 80,089.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.