Home / 75,845.76-104,700.65-49,001.33

Finding the Fourth Proportional to 75,845.76, 104,700.65 and 49,001.33

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Solution

The fourth proportional to 75,845.76, 104,700.65 and 49,001.33 is: 67,643.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,845.76 : 104,700.65 = 49,001.33 : x
  2. Step 2: Convert to fraction form
    75,845.76/104,700.65 = 49,001.33/x
  3. Step 3: Cross multiply
    75,845.76x = 104,700.65 × 49,001.33
  4. Step 4: Simplify right side
    75,845.76x = 5,130,470,333.35
  5. Step 5: Solve for x
    x = 5,130,470,333.35/75,845.76
  6. Step 6: Final answer
    x = 67,643.47

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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.