Home / 42,778.49-64,033.20-29,373.03

Finding the Fourth Proportional to 42,778.49, 64,033.20 and 29,373.03

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Solution

The fourth proportional to 42,778.49, 64,033.20 and 29,373.03 is: 43,967.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,778.49 : 64,033.20 = 29,373.03 : x
  2. Step 2: Convert to fraction form
    42,778.49/64,033.20 = 29,373.03/x
  3. Step 3: Cross multiply
    42,778.49x = 64,033.20 × 29,373.03
  4. Step 4: Simplify right side
    42,778.49x = 1,880,849,183.28
  5. Step 5: Solve for x
    x = 1,880,849,183.28/42,778.49
  6. Step 6: Final answer
    x = 43,967.17

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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.