Home / 74,547.72-111,841.02-27,801

Finding the Fourth Proportional to 74,547.72, 111,841.02 and 27,801

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Solution

The fourth proportional to 74,547.72, 111,841.02 and 27,801 is: 41,708.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,547.72 : 111,841.02 = 27,801 : x
  2. Step 2: Convert to fraction form
    74,547.72/111,841.02 = 27,801/x
  3. Step 3: Cross multiply
    74,547.72x = 111,841.02 × 27,801
  4. Step 4: Simplify right side
    74,547.72x = 3,109,292,197.02
  5. Step 5: Solve for x
    x = 3,109,292,197.02/74,547.72
  6. Step 6: Final answer
    x = 41,708.75

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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.