Home / 75,865.03-104,733.12-55,424.17

Finding the Fourth Proportional to 75,865.03, 104,733.12 and 55,424.17

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Solution

The fourth proportional to 75,865.03, 104,733.12 and 55,424.17 is: 76,514.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,865.03 : 104,733.12 = 55,424.17 : x
  2. Step 2: Convert to fraction form
    75,865.03/104,733.12 = 55,424.17/x
  3. Step 3: Cross multiply
    75,865.03x = 104,733.12 × 55,424.17
  4. Step 4: Simplify right side
    75,865.03x = 5,804,746,247.51
  5. Step 5: Solve for x
    x = 5,804,746,247.51/75,865.03
  6. Step 6: Final answer
    x = 76,514.12

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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.