Home / 66,815.28-92,203.92-36,601.20

Finding the Fourth Proportional to 66,815.28, 92,203.92 and 36,601.20

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Solution

The fourth proportional to 66,815.28, 92,203.92 and 36,601.20 is: 50,509.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,815.28 : 92,203.92 = 36,601.20 : x
  2. Step 2: Convert to fraction form
    66,815.28/92,203.92 = 36,601.20/x
  3. Step 3: Cross multiply
    66,815.28x = 92,203.92 × 36,601.20
  4. Step 4: Simplify right side
    66,815.28x = 3,374,774,116.70
  5. Step 5: Solve for x
    x = 3,374,774,116.70/66,815.28
  6. Step 6: Final answer
    x = 50,509.02

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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.