Home / 56,820.75-85,231.07-15,267.75

Finding the Fourth Proportional to 56,820.75, 85,231.07 and 15,267.75

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Solution

The fourth proportional to 56,820.75, 85,231.07 and 15,267.75 is: 22,901.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,820.75 : 85,231.07 = 15,267.75 : x
  2. Step 2: Convert to fraction form
    56,820.75/85,231.07 = 15,267.75/x
  3. Step 3: Cross multiply
    56,820.75x = 85,231.07 × 15,267.75
  4. Step 4: Simplify right side
    56,820.75x = 1,301,286,242.84
  5. Step 5: Solve for x
    x = 1,301,286,242.84/56,820.75
  6. Step 6: Final answer
    x = 22,901.60

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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.