Home / 53,390.89-73,680.96-29,519.09

Finding the Fourth Proportional to 53,390.89, 73,680.96 and 29,519.09

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Solution

The fourth proportional to 53,390.89, 73,680.96 and 29,519.09 is: 40,737.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,390.89 : 73,680.96 = 29,519.09 : x
  2. Step 2: Convert to fraction form
    53,390.89/73,680.96 = 29,519.09/x
  3. Step 3: Cross multiply
    53,390.89x = 73,680.96 × 29,519.09
  4. Step 4: Simplify right side
    53,390.89x = 2,174,995,156.53
  5. Step 5: Solve for x
    x = 2,174,995,156.53/53,390.89
  6. Step 6: Final answer
    x = 40,737.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.