Home / 52,115.52-71,641.23-51,787.56

Finding the Fourth Proportional to 52,115.52, 71,641.23 and 51,787.56

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Solution

The fourth proportional to 52,115.52, 71,641.23 and 51,787.56 is: 71,190.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,115.52 : 71,641.23 = 51,787.56 : x
  2. Step 2: Convert to fraction form
    52,115.52/71,641.23 = 51,787.56/x
  3. Step 3: Cross multiply
    52,115.52x = 71,641.23 × 51,787.56
  4. Step 4: Simplify right side
    52,115.52x = 3,710,124,497.10
  5. Step 5: Solve for x
    x = 3,710,124,497.10/52,115.52
  6. Step 6: Final answer
    x = 71,190.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.