Home / 75,071.12-103,596.78-41,537.12

Finding the Fourth Proportional to 75,071.12, 103,596.78 and 41,537.12

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Solution

The fourth proportional to 75,071.12, 103,596.78 and 41,537.12 is: 57,320.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,071.12 : 103,596.78 = 41,537.12 : x
  2. Step 2: Convert to fraction form
    75,071.12/103,596.78 = 41,537.12/x
  3. Step 3: Cross multiply
    75,071.12x = 103,596.78 × 41,537.12
  4. Step 4: Simplify right side
    75,071.12x = 4,303,111,882.47
  5. Step 5: Solve for x
    x = 4,303,111,882.47/75,071.12
  6. Step 6: Final answer
    x = 57,320.47

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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.