Home / 66,278.15-91,463.76-36,063.41

Finding the Fourth Proportional to 66,278.15, 91,463.76 and 36,063.41

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Solution

The fourth proportional to 66,278.15, 91,463.76 and 36,063.41 is: 49,767.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,278.15 : 91,463.76 = 36,063.41 : x
  2. Step 2: Convert to fraction form
    66,278.15/91,463.76 = 36,063.41/x
  3. Step 3: Cross multiply
    66,278.15x = 91,463.76 × 36,063.41
  4. Step 4: Simplify right side
    66,278.15x = 3,298,495,077.02
  5. Step 5: Solve for x
    x = 3,298,495,077.02/66,278.15
  6. Step 6: Final answer
    x = 49,767.46

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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.