Home / 48,605.30-66,637.85-47,719.56

Finding the Fourth Proportional to 48,605.30, 66,637.85 and 47,719.56

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Solution

The fourth proportional to 48,605.30, 66,637.85 and 47,719.56 is: 65,423.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,605.30 : 66,637.85 = 47,719.56 : x
  2. Step 2: Convert to fraction form
    48,605.30/66,637.85 = 47,719.56/x
  3. Step 3: Cross multiply
    48,605.30x = 66,637.85 × 47,719.56
  4. Step 4: Simplify right side
    48,605.30x = 3,179,928,881.35
  5. Step 5: Solve for x
    x = 3,179,928,881.35/48,605.30
  6. Step 6: Final answer
    x = 65,423.50

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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.