Home / 66,598.22-91,907.78-36,386.35

Finding the Fourth Proportional to 66,598.22, 91,907.78 and 36,386.35

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Solution

The fourth proportional to 66,598.22, 91,907.78 and 36,386.35 is: 50,214.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,598.22 : 91,907.78 = 36,386.35 : x
  2. Step 2: Convert to fraction form
    66,598.22/91,907.78 = 36,386.35/x
  3. Step 3: Cross multiply
    66,598.22x = 91,907.78 × 36,386.35
  4. Step 4: Simplify right side
    66,598.22x = 3,344,188,239.10
  5. Step 5: Solve for x
    x = 3,344,188,239.10/66,598.22
  6. Step 6: Final answer
    x = 50,214.38

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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.