Home / 54,539.10-81,808.65-54,150.30

Finding the Fourth Proportional to 54,539.10, 81,808.65 and 54,150.30

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Solution

The fourth proportional to 54,539.10, 81,808.65 and 54,150.30 is: 81,225.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,539.10 : 81,808.65 = 54,150.30 : x
  2. Step 2: Convert to fraction form
    54,539.10/81,808.65 = 54,150.30/x
  3. Step 3: Cross multiply
    54,539.10x = 81,808.65 × 54,150.30
  4. Step 4: Simplify right side
    54,539.10x = 4,429,962,940.10
  5. Step 5: Solve for x
    x = 4,429,962,940.10/54,539.10
  6. Step 6: Final answer
    x = 81,225.45

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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.