Home / 68,787.08-94,931.04-38,170.19

Finding the Fourth Proportional to 68,787.08, 94,931.04 and 38,170.19

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Solution

The fourth proportional to 68,787.08, 94,931.04 and 38,170.19 is: 52,677.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,787.08 : 94,931.04 = 38,170.19 : x
  2. Step 2: Convert to fraction form
    68,787.08/94,931.04 = 38,170.19/x
  3. Step 3: Cross multiply
    68,787.08x = 94,931.04 × 38,170.19
  4. Step 4: Simplify right side
    68,787.08x = 3,623,535,833.70
  5. Step 5: Solve for x
    x = 3,623,535,833.70/68,787.08
  6. Step 6: Final answer
    x = 52,677.56

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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.