Home / 45,317.38-67,899.36-27,750.52

Finding the Fourth Proportional to 45,317.38, 67,899.36 and 27,750.52

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Solution

The fourth proportional to 45,317.38, 67,899.36 and 27,750.52 is: 41,578.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,317.38 : 67,899.36 = 27,750.52 : x
  2. Step 2: Convert to fraction form
    45,317.38/67,899.36 = 27,750.52/x
  3. Step 3: Cross multiply
    45,317.38x = 67,899.36 × 27,750.52
  4. Step 4: Simplify right side
    45,317.38x = 1,884,242,547.67
  5. Step 5: Solve for x
    x = 1,884,242,547.67/45,317.38
  6. Step 6: Final answer
    x = 41,578.81

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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.