Home / 71,918.23-107,878.35-27,547.24

Finding the Fourth Proportional to 71,918.23, 107,878.35 and 27,547.24

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Solution

The fourth proportional to 71,918.23, 107,878.35 and 27,547.24 is: 41,321.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,918.23 : 107,878.35 = 27,547.24 : x
  2. Step 2: Convert to fraction form
    71,918.23/107,878.35 = 27,547.24/x
  3. Step 3: Cross multiply
    71,918.23x = 107,878.35 × 27,547.24
  4. Step 4: Simplify right side
    71,918.23x = 2,971,750,798.25
  5. Step 5: Solve for x
    x = 2,971,750,798.25/71,918.23
  6. Step 6: Final answer
    x = 41,321.24

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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.