Home / 56,781.53-85,108.62-23,039.72

Finding the Fourth Proportional to 56,781.53, 85,108.62 and 23,039.72

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Solution

The fourth proportional to 56,781.53, 85,108.62 and 23,039.72 is: 34,533.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,781.53 : 85,108.62 = 23,039.72 : x
  2. Step 2: Convert to fraction form
    56,781.53/85,108.62 = 23,039.72/x
  3. Step 3: Cross multiply
    56,781.53x = 85,108.62 × 23,039.72
  4. Step 4: Simplify right side
    56,781.53x = 1,960,878,774.39
  5. Step 5: Solve for x
    x = 1,960,878,774.39/56,781.53
  6. Step 6: Final answer
    x = 34,533.74

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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.