Home / 90,582.72-125,008.05-50,296.47

Finding the Fourth Proportional to 90,582.72, 125,008.05 and 50,296.47

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Solution

The fourth proportional to 90,582.72, 125,008.05 and 50,296.47 is: 69,411.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,582.72 : 125,008.05 = 50,296.47 : x
  2. Step 2: Convert to fraction form
    90,582.72/125,008.05 = 50,296.47/x
  3. Step 3: Cross multiply
    90,582.72x = 125,008.05 × 50,296.47
  4. Step 4: Simplify right side
    90,582.72x = 6,287,463,636.58
  5. Step 5: Solve for x
    x = 6,287,463,636.58/90,582.72
  6. Step 6: Final answer
    x = 69,411.29

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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.