Home / 66,787.28-92,165.58-38,106.19

Finding the Fourth Proportional to 66,787.28, 92,165.58 and 38,106.19

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Solution

The fourth proportional to 66,787.28, 92,165.58 and 38,106.19 is: 52,586.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,787.28 : 92,165.58 = 38,106.19 : x
  2. Step 2: Convert to fraction form
    66,787.28/92,165.58 = 38,106.19/x
  3. Step 3: Cross multiply
    66,787.28x = 92,165.58 × 38,106.19
  4. Step 4: Simplify right side
    66,787.28x = 3,512,079,102.94
  5. Step 5: Solve for x
    x = 3,512,079,102.94/66,787.28
  6. Step 6: Final answer
    x = 52,586.05

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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.