Home / 61,676.10-92,557.35-39,543.30

Finding the Fourth Proportional to 61,676.10, 92,557.35 and 39,543.30

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Solution

The fourth proportional to 61,676.10, 92,557.35 and 39,543.30 is: 59,342.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,676.10 : 92,557.35 = 39,543.30 : x
  2. Step 2: Convert to fraction form
    61,676.10/92,557.35 = 39,543.30/x
  3. Step 3: Cross multiply
    61,676.10x = 92,557.35 × 39,543.30
  4. Step 4: Simplify right side
    61,676.10x = 3,660,023,058.26
  5. Step 5: Solve for x
    x = 3,660,023,058.26/61,676.10
  6. Step 6: Final answer
    x = 59,342.65

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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.