Home / 68,749.76-94,874.37-38,535.08

Finding the Fourth Proportional to 68,749.76, 94,874.37 and 38,535.08

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Solution

The fourth proportional to 68,749.76, 94,874.37 and 38,535.08 is: 53,178.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,749.76 : 94,874.37 = 38,535.08 : x
  2. Step 2: Convert to fraction form
    68,749.76/94,874.37 = 38,535.08/x
  3. Step 3: Cross multiply
    68,749.76x = 94,874.37 × 38,535.08
  4. Step 4: Simplify right side
    68,749.76x = 3,655,991,437.90
  5. Step 5: Solve for x
    x = 3,655,991,437.90/68,749.76
  6. Step 6: Final answer
    x = 53,178.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.