Home / 61,717.78-85,170.36-33,423.40

Finding the Fourth Proportional to 61,717.78, 85,170.36 and 33,423.40

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Solution

The fourth proportional to 61,717.78, 85,170.36 and 33,423.40 is: 46,124.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,717.78 : 85,170.36 = 33,423.40 : x
  2. Step 2: Convert to fraction form
    61,717.78/85,170.36 = 33,423.40/x
  3. Step 3: Cross multiply
    61,717.78x = 85,170.36 × 33,423.40
  4. Step 4: Simplify right side
    61,717.78x = 2,846,683,010.42
  5. Step 5: Solve for x
    x = 2,846,683,010.42/61,717.78
  6. Step 6: Final answer
    x = 46,124.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.