Home / 77,851.20-116,775.84-52,829.28

Finding the Fourth Proportional to 77,851.20, 116,775.84 and 52,829.28

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Solution

The fourth proportional to 77,851.20, 116,775.84 and 52,829.28 is: 79,243.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,851.20 : 116,775.84 = 52,829.28 : x
  2. Step 2: Convert to fraction form
    77,851.20/116,775.84 = 52,829.28/x
  3. Step 3: Cross multiply
    77,851.20x = 116,775.84 × 52,829.28
  4. Step 4: Simplify right side
    77,851.20x = 6,169,183,548.60
  5. Step 5: Solve for x
    x = 6,169,183,548.60/77,851.20
  6. Step 6: Final answer
    x = 79,243.27

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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.