Home / 53,881.05-80,816.59-25,411.47

Finding the Fourth Proportional to 53,881.05, 80,816.59 and 25,411.47

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Solution

The fourth proportional to 53,881.05, 80,816.59 and 25,411.47 is: 38,114.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,881.05 : 80,816.59 = 25,411.47 : x
  2. Step 2: Convert to fraction form
    53,881.05/80,816.59 = 25,411.47/x
  3. Step 3: Cross multiply
    53,881.05x = 80,816.59 × 25,411.47
  4. Step 4: Simplify right side
    53,881.05x = 2,053,668,392.64
  5. Step 5: Solve for x
    x = 2,053,668,392.64/53,881.05
  6. Step 6: Final answer
    x = 38,114.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.