Home / 75,600.24-104,328.36-42,066

Finding the Fourth Proportional to 75,600.24, 104,328.36 and 42,066

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Solution

The fourth proportional to 75,600.24, 104,328.36 and 42,066 is: 58,051.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,600.24 : 104,328.36 = 42,066 : x
  2. Step 2: Convert to fraction form
    75,600.24/104,328.36 = 42,066/x
  3. Step 3: Cross multiply
    75,600.24x = 104,328.36 × 42,066
  4. Step 4: Simplify right side
    75,600.24x = 4,388,676,791.76
  5. Step 5: Solve for x
    x = 4,388,676,791.76/75,600.24
  6. Step 6: Final answer
    x = 58,051.10

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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.