Home / 66,192.11-91,345.73-35,977.50

Finding the Fourth Proportional to 66,192.11, 91,345.73 and 35,977.50

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Solution

The fourth proportional to 66,192.11, 91,345.73 and 35,977.50 is: 49,649.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,192.11 : 91,345.73 = 35,977.50 : x
  2. Step 2: Convert to fraction form
    66,192.11/91,345.73 = 35,977.50/x
  3. Step 3: Cross multiply
    66,192.11x = 91,345.73 × 35,977.50
  4. Step 4: Simplify right side
    66,192.11x = 3,286,390,821.19
  5. Step 5: Solve for x
    x = 3,286,390,821.19/66,192.11
  6. Step 6: Final answer
    x = 49,649.29

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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.