Home / 61,680.23-85,118.72-33,385.92

Finding the Fourth Proportional to 61,680.23, 85,118.72 and 33,385.92

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Solution

The fourth proportional to 61,680.23, 85,118.72 and 33,385.92 is: 46,072.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,680.23 : 85,118.72 = 33,385.92 : x
  2. Step 2: Convert to fraction form
    61,680.23/85,118.72 = 33,385.92/x
  3. Step 3: Cross multiply
    61,680.23x = 85,118.72 × 33,385.92
  4. Step 4: Simplify right side
    61,680.23x = 2,841,767,050.78
  5. Step 5: Solve for x
    x = 2,841,767,050.78/61,680.23
  6. Step 6: Final answer
    x = 46,072.57

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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.