Home / 91,068.47-136,619.14-41,172.06

Finding the Fourth Proportional to 91,068.47, 136,619.14 and 41,172.06

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Solution

The fourth proportional to 91,068.47, 136,619.14 and 41,172.06 is: 61,765.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,068.47 : 136,619.14 = 41,172.06 : x
  2. Step 2: Convert to fraction form
    91,068.47/136,619.14 = 41,172.06/x
  3. Step 3: Cross multiply
    91,068.47x = 136,619.14 × 41,172.06
  4. Step 4: Simplify right side
    91,068.47x = 5,624,891,326.30
  5. Step 5: Solve for x
    x = 5,624,891,326.30/91,068.47
  6. Step 6: Final answer
    x = 61,765.52

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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.