Home / 47,286.87-70,721.16-42,058.59

Finding the Fourth Proportional to 47,286.87, 70,721.16 and 42,058.59

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Solution

The fourth proportional to 47,286.87, 70,721.16 and 42,058.59 is: 62,901.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,286.87 : 70,721.16 = 42,058.59 : x
  2. Step 2: Convert to fraction form
    47,286.87/70,721.16 = 42,058.59/x
  3. Step 3: Cross multiply
    47,286.87x = 70,721.16 × 42,058.59
  4. Step 4: Simplify right side
    47,286.87x = 2,974,432,272.76
  5. Step 5: Solve for x
    x = 2,974,432,272.76/47,286.87
  6. Step 6: Final answer
    x = 62,901.86

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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.