Home / 56,450.28-84,675.84-45,908.04

Finding the Fourth Proportional to 56,450.28, 84,675.84 and 45,908.04

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Solution

The fourth proportional to 56,450.28, 84,675.84 and 45,908.04 is: 68,862.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,450.28 : 84,675.84 = 45,908.04 : x
  2. Step 2: Convert to fraction form
    56,450.28/84,675.84 = 45,908.04/x
  3. Step 3: Cross multiply
    56,450.28x = 84,675.84 × 45,908.04
  4. Step 4: Simplify right side
    56,450.28x = 3,887,301,849.75
  5. Step 5: Solve for x
    x = 3,887,301,849.75/56,450.28
  6. Step 6: Final answer
    x = 68,862.40

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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.