Home / 51,564.16-71,156.16-29,208.32

Finding the Fourth Proportional to 51,564.16, 71,156.16 and 29,208.32

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Solution

The fourth proportional to 51,564.16, 71,156.16 and 29,208.32 is: 40,306.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,564.16 : 71,156.16 = 29,208.32 : x
  2. Step 2: Convert to fraction form
    51,564.16/71,156.16 = 29,208.32/x
  3. Step 3: Cross multiply
    51,564.16x = 71,156.16 × 29,208.32
  4. Step 4: Simplify right side
    51,564.16x = 2,078,351,891.25
  5. Step 5: Solve for x
    x = 2,078,351,891.25/51,564.16
  6. Step 6: Final answer
    x = 40,306.13

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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.