Home / 45,166.16-67,772.38-21,500.48

Finding the Fourth Proportional to 45,166.16, 67,772.38 and 21,500.48

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Solution

The fourth proportional to 45,166.16, 67,772.38 and 21,500.48 is: 32,261.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,166.16 : 67,772.38 = 21,500.48 : x
  2. Step 2: Convert to fraction form
    45,166.16/67,772.38 = 21,500.48/x
  3. Step 3: Cross multiply
    45,166.16x = 67,772.38 × 21,500.48
  4. Step 4: Simplify right side
    45,166.16x = 1,457,138,700.74
  5. Step 5: Solve for x
    x = 1,457,138,700.74/45,166.16
  6. Step 6: Final answer
    x = 32,261.74

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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.