Home / 53,721.26-80,574.45-14,281.58

Finding the Fourth Proportional to 53,721.26, 80,574.45 and 14,281.58

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Solution

The fourth proportional to 53,721.26, 80,574.45 and 14,281.58 is: 21,420.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,721.26 : 80,574.45 = 14,281.58 : x
  2. Step 2: Convert to fraction form
    53,721.26/80,574.45 = 14,281.58/x
  3. Step 3: Cross multiply
    53,721.26x = 80,574.45 × 14,281.58
  4. Step 4: Simplify right side
    53,721.26x = 1,150,730,453.63
  5. Step 5: Solve for x
    x = 1,150,730,453.63/53,721.26
  6. Step 6: Final answer
    x = 21,420.39

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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.