Home / 56,811.40-85,223.34-15,261.64

Finding the Fourth Proportional to 56,811.40, 85,223.34 and 15,261.64

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Solution

The fourth proportional to 56,811.40, 85,223.34 and 15,261.64 is: 22,894.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,811.40 : 85,223.34 = 15,261.64 : x
  2. Step 2: Convert to fraction form
    56,811.40/85,223.34 = 15,261.64/x
  3. Step 3: Cross multiply
    56,811.40x = 85,223.34 × 15,261.64
  4. Step 4: Simplify right side
    56,811.40x = 1,300,647,934.68
  5. Step 5: Solve for x
    x = 1,300,647,934.68/56,811.40
  6. Step 6: Final answer
    x = 22,894.14

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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.