Home / 61,557.77-84,950.09-38,906.80

Finding the Fourth Proportional to 61,557.77, 84,950.09 and 38,906.80

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Solution

The fourth proportional to 61,557.77, 84,950.09 and 38,906.80 is: 53,691.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,557.77 : 84,950.09 = 38,906.80 : x
  2. Step 2: Convert to fraction form
    61,557.77/84,950.09 = 38,906.80/x
  3. Step 3: Cross multiply
    61,557.77x = 84,950.09 × 38,906.80
  4. Step 4: Simplify right side
    61,557.77x = 3,305,136,161.61
  5. Step 5: Solve for x
    x = 3,305,136,161.61/61,557.77
  6. Step 6: Final answer
    x = 53,691.62

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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.