Home / 74,813.10-112,167.81-28,053.42

Finding the Fourth Proportional to 74,813.10, 112,167.81 and 28,053.42

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Solution

The fourth proportional to 74,813.10, 112,167.81 and 28,053.42 is: 42,060.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,813.10 : 112,167.81 = 28,053.42 : x
  2. Step 2: Convert to fraction form
    74,813.10/112,167.81 = 28,053.42/x
  3. Step 3: Cross multiply
    74,813.10x = 112,167.81 × 28,053.42
  4. Step 4: Simplify right side
    74,813.10x = 3,146,690,684.41
  5. Step 5: Solve for x
    x = 3,146,690,684.41/74,813.10
  6. Step 6: Final answer
    x = 42,060.69

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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.