Home / 75,242.28-112,787.58-47,182.17

Finding the Fourth Proportional to 75,242.28, 112,787.58 and 47,182.17

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Solution

The fourth proportional to 75,242.28, 112,787.58 and 47,182.17 is: 70,725.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,242.28 : 112,787.58 = 47,182.17 : x
  2. Step 2: Convert to fraction form
    75,242.28/112,787.58 = 47,182.17/x
  3. Step 3: Cross multiply
    75,242.28x = 112,787.58 × 47,182.17
  4. Step 4: Simplify right side
    75,242.28x = 5,321,562,773.45
  5. Step 5: Solve for x
    x = 5,321,562,773.45/75,242.28
  6. Step 6: Final answer
    x = 70,725.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.