Home / 75,072.81-103,598.87-41,081.16

Finding the Fourth Proportional to 75,072.81, 103,598.87 and 41,081.16

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Solution

The fourth proportional to 75,072.81, 103,598.87 and 41,081.16 is: 56,691.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,072.81 : 103,598.87 = 41,081.16 : x
  2. Step 2: Convert to fraction form
    75,072.81/103,598.87 = 41,081.16/x
  3. Step 3: Cross multiply
    75,072.81x = 103,598.87 × 41,081.16
  4. Step 4: Simplify right side
    75,072.81x = 4,255,961,754.29
  5. Step 5: Solve for x
    x = 4,255,961,754.29/75,072.81
  6. Step 6: Final answer
    x = 56,691.12

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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.