Home / 74,727.40-112,091.10-27,977.80

Finding the Fourth Proportional to 74,727.40, 112,091.10 and 27,977.80

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Solution

The fourth proportional to 74,727.40, 112,091.10 and 27,977.80 is: 41,966.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,727.40 : 112,091.10 = 27,977.80 : x
  2. Step 2: Convert to fraction form
    74,727.40/112,091.10 = 27,977.80/x
  3. Step 3: Cross multiply
    74,727.40x = 112,091.10 × 27,977.80
  4. Step 4: Simplify right side
    74,727.40x = 3,136,062,377.58
  5. Step 5: Solve for x
    x = 3,136,062,377.58/74,727.40
  6. Step 6: Final answer
    x = 41,966.70

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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.