Home / 70,740.73-106,182.78-62,787.34

Finding the Fourth Proportional to 70,740.73, 106,182.78 and 62,787.34

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Solution

The fourth proportional to 70,740.73, 106,182.78 and 62,787.34 is: 94,244.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,740.73 : 106,182.78 = 62,787.34 : x
  2. Step 2: Convert to fraction form
    70,740.73/106,182.78 = 62,787.34/x
  3. Step 3: Cross multiply
    70,740.73x = 106,182.78 × 62,787.34
  4. Step 4: Simplify right side
    70,740.73x = 6,666,934,310.01
  5. Step 5: Solve for x
    x = 6,666,934,310.01/70,740.73
  6. Step 6: Final answer
    x = 94,244.64

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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.