Home / 75,924.48-104,738.52-49,090

Finding the Fourth Proportional to 75,924.48, 104,738.52 and 49,090

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Solution

The fourth proportional to 75,924.48, 104,738.52 and 49,090 is: 67,720.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,924.48 : 104,738.52 = 49,090 : x
  2. Step 2: Convert to fraction form
    75,924.48/104,738.52 = 49,090/x
  3. Step 3: Cross multiply
    75,924.48x = 104,738.52 × 49,090
  4. Step 4: Simplify right side
    75,924.48x = 5,141,613,946.80
  5. Step 5: Solve for x
    x = 5,141,613,946.80/75,924.48
  6. Step 6: Final answer
    x = 67,720.11

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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.