Home / 66,512.18-91,787.07-36,298.17

Finding the Fourth Proportional to 66,512.18, 91,787.07 and 36,298.17

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Solution

The fourth proportional to 66,512.18, 91,787.07 and 36,298.17 is: 50,091.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,512.18 : 91,787.07 = 36,298.17 : x
  2. Step 2: Convert to fraction form
    66,512.18/91,787.07 = 36,298.17/x
  3. Step 3: Cross multiply
    66,512.18x = 91,787.07 × 36,298.17
  4. Step 4: Simplify right side
    66,512.18x = 3,331,702,670.66
  5. Step 5: Solve for x
    x = 3,331,702,670.66/66,512.18
  6. Step 6: Final answer
    x = 50,091.62

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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.