Home / 51,507.16-71,088.78-29,151.16

Finding the Fourth Proportional to 51,507.16, 71,088.78 and 29,151.16

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Solution

The fourth proportional to 51,507.16, 71,088.78 and 29,151.16 is: 40,233.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,507.16 : 71,088.78 = 29,151.16 : x
  2. Step 2: Convert to fraction form
    51,507.16/71,088.78 = 29,151.16/x
  3. Step 3: Cross multiply
    51,507.16x = 71,088.78 × 29,151.16
  4. Step 4: Simplify right side
    51,507.16x = 2,072,320,399.98
  5. Step 5: Solve for x
    x = 2,072,320,399.98/51,507.16
  6. Step 6: Final answer
    x = 40,233.64

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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.