Home / 66,511.16-91,781.72-37,826.94

Finding the Fourth Proportional to 66,511.16, 91,781.72 and 37,826.94

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Solution

The fourth proportional to 66,511.16, 91,781.72 and 37,826.94 is: 52,199.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,511.16 : 91,781.72 = 37,826.94 : x
  2. Step 2: Convert to fraction form
    66,511.16/91,781.72 = 37,826.94/x
  3. Step 3: Cross multiply
    66,511.16x = 91,781.72 × 37,826.94
  4. Step 4: Simplify right side
    66,511.16x = 3,471,821,426.40
  5. Step 5: Solve for x
    x = 3,471,821,426.40/66,511.16
  6. Step 6: Final answer
    x = 52,199.08

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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.