Home / 52,094.90-78,112.18-45,867.42

Finding the Fourth Proportional to 52,094.90, 78,112.18 and 45,867.42

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Solution

The fourth proportional to 52,094.90, 78,112.18 and 45,867.42 is: 68,774.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,094.90 : 78,112.18 = 45,867.42 : x
  2. Step 2: Convert to fraction form
    52,094.90/78,112.18 = 45,867.42/x
  3. Step 3: Cross multiply
    52,094.90x = 78,112.18 × 45,867.42
  4. Step 4: Simplify right side
    52,094.90x = 3,582,804,167.18
  5. Step 5: Solve for x
    x = 3,582,804,167.18/52,094.90
  6. Step 6: Final answer
    x = 68,774.57

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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.