Home / 55,240.20-82,860.30-54,851.40

Finding the Fourth Proportional to 55,240.20, 82,860.30 and 54,851.40

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Solution

The fourth proportional to 55,240.20, 82,860.30 and 54,851.40 is: 82,277.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,240.20 : 82,860.30 = 54,851.40 : x
  2. Step 2: Convert to fraction form
    55,240.20/82,860.30 = 54,851.40/x
  3. Step 3: Cross multiply
    55,240.20x = 82,860.30 × 54,851.40
  4. Step 4: Simplify right side
    55,240.20x = 4,545,003,459.42
  5. Step 5: Solve for x
    x = 4,545,003,459.42/55,240.20
  6. Step 6: Final answer
    x = 82,277.10

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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.