Home / 61,949.18-85,488-33,654.80

Finding the Fourth Proportional to 61,949.18, 85,488 and 33,654.80

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Solution

The fourth proportional to 61,949.18, 85,488 and 33,654.80 is: 46,442.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,949.18 : 85,488 = 33,654.80 : x
  2. Step 2: Convert to fraction form
    61,949.18/85,488 = 33,654.80/x
  3. Step 3: Cross multiply
    61,949.18x = 85,488 × 33,654.80
  4. Step 4: Simplify right side
    61,949.18x = 2,877,081,542.40
  5. Step 5: Solve for x
    x = 2,877,081,542.40/61,949.18
  6. Step 6: Final answer
    x = 46,442.61

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1.5x scale

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.