Home / 54,123.30-81,184.98-35,419.08

Finding the Fourth Proportional to 54,123.30, 81,184.98 and 35,419.08

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Solution

The fourth proportional to 54,123.30, 81,184.98 and 35,419.08 is: 53,128.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,123.30 : 81,184.98 = 35,419.08 : x
  2. Step 2: Convert to fraction form
    54,123.30/81,184.98 = 35,419.08/x
  3. Step 3: Cross multiply
    54,123.30x = 81,184.98 × 35,419.08
  4. Step 4: Simplify right side
    54,123.30x = 2,875,497,301.42
  5. Step 5: Solve for x
    x = 2,875,497,301.42/54,123.30
  6. Step 6: Final answer
    x = 53,128.64

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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.