Home / 45,291.92-67,478.74-43,061.24

Finding the Fourth Proportional to 45,291.92, 67,478.74 and 43,061.24

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Solution

The fourth proportional to 45,291.92, 67,478.74 and 43,061.24 is: 64,155.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,291.92 : 67,478.74 = 43,061.24 : x
  2. Step 2: Convert to fraction form
    45,291.92/67,478.74 = 43,061.24/x
  3. Step 3: Cross multiply
    45,291.92x = 67,478.74 × 43,061.24
  4. Step 4: Simplify right side
    45,291.92x = 2,905,718,218.04
  5. Step 5: Solve for x
    x = 2,905,718,218.04/45,291.92
  6. Step 6: Final answer
    x = 64,155.33

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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.