Home / 66,636.18-91,959.83-36,422.76

Finding the Fourth Proportional to 66,636.18, 91,959.83 and 36,422.76

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Solution

The fourth proportional to 66,636.18, 91,959.83 and 36,422.76 is: 50,264.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,636.18 : 91,959.83 = 36,422.76 : x
  2. Step 2: Convert to fraction form
    66,636.18/91,959.83 = 36,422.76/x
  3. Step 3: Cross multiply
    66,636.18x = 91,959.83 × 36,422.76
  4. Step 4: Simplify right side
    66,636.18x = 3,349,430,635.62
  5. Step 5: Solve for x
    x = 3,349,430,635.62/66,636.18
  6. Step 6: Final answer
    x = 50,264.45

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1.5x scale

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.