Home / 51,873.90-71,585.04-29,212.80

Finding the Fourth Proportional to 51,873.90, 71,585.04 and 29,212.80

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Solution

The fourth proportional to 51,873.90, 71,585.04 and 29,212.80 is: 40,313.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,873.90 : 71,585.04 = 29,212.80 : x
  2. Step 2: Convert to fraction form
    51,873.90/71,585.04 = 29,212.80/x
  3. Step 3: Cross multiply
    51,873.90x = 71,585.04 × 29,212.80
  4. Step 4: Simplify right side
    51,873.90x = 2,091,199,456.51
  5. Step 5: Solve for x
    x = 2,091,199,456.51/51,873.90
  6. Step 6: Final answer
    x = 40,313.13

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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.