Home / 45,991.13-68,584.19-45,570.74

Finding the Fourth Proportional to 45,991.13, 68,584.19 and 45,570.74

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Solution

The fourth proportional to 45,991.13, 68,584.19 and 45,570.74 is: 67,957.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,991.13 : 68,584.19 = 45,570.74 : x
  2. Step 2: Convert to fraction form
    45,991.13/68,584.19 = 45,570.74/x
  3. Step 3: Cross multiply
    45,991.13x = 68,584.19 × 45,570.74
  4. Step 4: Simplify right side
    45,991.13x = 3,125,431,719.83
  5. Step 5: Solve for x
    x = 3,125,431,719.83/45,991.13
  6. Step 6: Final answer
    x = 67,957.28

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.