Home / 42,772.85-64,073.15-35,822.28

Finding the Fourth Proportional to 42,772.85, 64,073.15 and 35,822.28

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Solution

The fourth proportional to 42,772.85, 64,073.15 and 35,822.28 is: 53,661.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,772.85 : 64,073.15 = 35,822.28 : x
  2. Step 2: Convert to fraction form
    42,772.85/64,073.15 = 35,822.28/x
  3. Step 3: Cross multiply
    42,772.85x = 64,073.15 × 35,822.28
  4. Step 4: Simplify right side
    42,772.85x = 2,295,246,140.67
  5. Step 5: Solve for x
    x = 2,295,246,140.67/42,772.85
  6. Step 6: Final answer
    x = 53,661.29

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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.