Home / 71,040.58-98,034.50-38,774.12

Finding the Fourth Proportional to 71,040.58, 98,034.50 and 38,774.12

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Solution

The fourth proportional to 71,040.58, 98,034.50 and 38,774.12 is: 53,507.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,040.58 : 98,034.50 = 38,774.12 : x
  2. Step 2: Convert to fraction form
    71,040.58/98,034.50 = 38,774.12/x
  3. Step 3: Cross multiply
    71,040.58x = 98,034.50 × 38,774.12
  4. Step 4: Simplify right side
    71,040.58x = 3,801,201,518.36
  5. Step 5: Solve for x
    x = 3,801,201,518.36/71,040.58
  6. Step 6: Final answer
    x = 53,507.47

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Double scale
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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.