Home / 61,181.20-91,771.80-34,937.20

Finding the Fourth Proportional to 61,181.20, 91,771.80 and 34,937.20

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Solution

The fourth proportional to 61,181.20, 91,771.80 and 34,937.20 is: 52,405.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,181.20 : 91,771.80 = 34,937.20 : x
  2. Step 2: Convert to fraction form
    61,181.20/91,771.80 = 34,937.20/x
  3. Step 3: Cross multiply
    61,181.20x = 91,771.80 × 34,937.20
  4. Step 4: Simplify right side
    61,181.20x = 3,206,249,730.96
  5. Step 5: Solve for x
    x = 3,206,249,730.96/61,181.20
  6. Step 6: Final answer
    x = 52,405.80

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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.