Home / 56,728.84-85,093.02-15,175.72

Finding the Fourth Proportional to 56,728.84, 85,093.02 and 15,175.72

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Solution

The fourth proportional to 56,728.84, 85,093.02 and 15,175.72 is: 22,763.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,728.84 : 85,093.02 = 15,175.72 : x
  2. Step 2: Convert to fraction form
    56,728.84/85,093.02 = 15,175.72/x
  3. Step 3: Cross multiply
    56,728.84x = 85,093.02 × 15,175.72
  4. Step 4: Simplify right side
    56,728.84x = 1,291,347,845.47
  5. Step 5: Solve for x
    x = 1,291,347,845.47/56,728.84
  6. Step 6: Final answer
    x = 22,763.52

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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.