Home / 61,916.78-85,444.26-33,622.40

Finding the Fourth Proportional to 61,916.78, 85,444.26 and 33,622.40

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Solution

The fourth proportional to 61,916.78, 85,444.26 and 33,622.40 is: 46,398.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,916.78 : 85,444.26 = 33,622.40 : x
  2. Step 2: Convert to fraction form
    61,916.78/85,444.26 = 33,622.40/x
  3. Step 3: Cross multiply
    61,916.78x = 85,444.26 × 33,622.40
  4. Step 4: Simplify right side
    61,916.78x = 2,872,841,087.42
  5. Step 5: Solve for x
    x = 2,872,841,087.42/61,916.78
  6. Step 6: Final answer
    x = 46,398.43

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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.