Home / 48,605.05-66,637.51-47,719.31

Finding the Fourth Proportional to 48,605.05, 66,637.51 and 47,719.31

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Solution

The fourth proportional to 48,605.05, 66,637.51 and 47,719.31 is: 65,423.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,605.05 : 66,637.51 = 47,719.31 : x
  2. Step 2: Convert to fraction form
    48,605.05/66,637.51 = 47,719.31/x
  3. Step 3: Cross multiply
    48,605.05x = 66,637.51 × 47,719.31
  4. Step 4: Simplify right side
    48,605.05x = 3,179,895,997.32
  5. Step 5: Solve for x
    x = 3,179,895,997.32/48,605.05
  6. Step 6: Final answer
    x = 65,423.16

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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.