Home / 56,882.13-85,256.75-42,796.90

Finding the Fourth Proportional to 56,882.13, 85,256.75 and 42,796.90

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Solution

The fourth proportional to 56,882.13, 85,256.75 and 42,796.90 is: 64,145.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,882.13 : 85,256.75 = 42,796.90 : x
  2. Step 2: Convert to fraction form
    56,882.13/85,256.75 = 42,796.90/x
  3. Step 3: Cross multiply
    56,882.13x = 85,256.75 × 42,796.90
  4. Step 4: Simplify right side
    56,882.13x = 3,648,724,604.08
  5. Step 5: Solve for x
    x = 3,648,724,604.08/56,882.13
  6. Step 6: Final answer
    x = 64,145.36

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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.