Home / 61,640.09-85,063.11-33,345.78

Finding the Fourth Proportional to 61,640.09, 85,063.11 and 33,345.78

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Solution

The fourth proportional to 61,640.09, 85,063.11 and 33,345.78 is: 46,017.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,640.09 : 85,063.11 = 33,345.78 : x
  2. Step 2: Convert to fraction form
    61,640.09/85,063.11 = 33,345.78/x
  3. Step 3: Cross multiply
    61,640.09x = 85,063.11 × 33,345.78
  4. Step 4: Simplify right side
    61,640.09x = 2,836,495,752.18
  5. Step 5: Solve for x
    x = 2,836,495,752.18/61,640.09
  6. Step 6: Final answer
    x = 46,017.06

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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.