Home / 51,872.88-71,580.48-29,210.16

Finding the Fourth Proportional to 51,872.88, 71,580.48 and 29,210.16

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Solution

The fourth proportional to 51,872.88, 71,580.48 and 29,210.16 is: 40,307.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,872.88 : 71,580.48 = 29,210.16 : x
  2. Step 2: Convert to fraction form
    51,872.88/71,580.48 = 29,210.16/x
  3. Step 3: Cross multiply
    51,872.88x = 71,580.48 × 29,210.16
  4. Step 4: Simplify right side
    51,872.88x = 2,090,877,273.68
  5. Step 5: Solve for x
    x = 2,090,877,273.68/51,872.88
  6. Step 6: Final answer
    x = 40,307.72

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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.