Home / 45,281.80-67,878.96-15,677.38

Finding the Fourth Proportional to 45,281.80, 67,878.96 and 15,677.38

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Solution

The fourth proportional to 45,281.80, 67,878.96 and 15,677.38 is: 23,500.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,281.80 : 67,878.96 = 15,677.38 : x
  2. Step 2: Convert to fraction form
    45,281.80/67,878.96 = 15,677.38/x
  3. Step 3: Cross multiply
    45,281.80x = 67,878.96 × 15,677.38
  4. Step 4: Simplify right side
    45,281.80x = 1,064,164,249.92
  5. Step 5: Solve for x
    x = 1,064,164,249.92/45,281.80
  6. Step 6: Final answer
    x = 23,500.93

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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.