Home / 86,877.18-130,338.24-50,884.02

Finding the Fourth Proportional to 86,877.18, 130,338.24 and 50,884.02

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Solution

The fourth proportional to 86,877.18, 130,338.24 and 50,884.02 is: 76,339.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,877.18 : 130,338.24 = 50,884.02 : x
  2. Step 2: Convert to fraction form
    86,877.18/130,338.24 = 50,884.02/x
  3. Step 3: Cross multiply
    86,877.18x = 130,338.24 × 50,884.02
  4. Step 4: Simplify right side
    86,877.18x = 6,632,133,610.92
  5. Step 5: Solve for x
    x = 6,632,133,610.92/86,877.18
  6. Step 6: Final answer
    x = 76,339.19

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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.