Home / 71,588.14-98,791.71-39,757.10

Finding the Fourth Proportional to 71,588.14, 98,791.71 and 39,757.10

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Solution

The fourth proportional to 71,588.14, 98,791.71 and 39,757.10 is: 54,864.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,588.14 : 98,791.71 = 39,757.10 : x
  2. Step 2: Convert to fraction form
    71,588.14/98,791.71 = 39,757.10/x
  3. Step 3: Cross multiply
    71,588.14x = 98,791.71 × 39,757.10
  4. Step 4: Simplify right side
    71,588.14x = 3,927,671,893.64
  5. Step 5: Solve for x
    x = 3,927,671,893.64/71,588.14
  6. Step 6: Final answer
    x = 54,864.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.