Home / 75,390.36-104,051.97-56,365.44

Finding the Fourth Proportional to 75,390.36, 104,051.97 and 56,365.44

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Solution

The fourth proportional to 75,390.36, 104,051.97 and 56,365.44 is: 77,794.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,390.36 : 104,051.97 = 56,365.44 : x
  2. Step 2: Convert to fraction form
    75,390.36/104,051.97 = 56,365.44/x
  3. Step 3: Cross multiply
    75,390.36x = 104,051.97 × 56,365.44
  4. Step 4: Simplify right side
    75,390.36x = 5,864,935,071.92
  5. Step 5: Solve for x
    x = 5,864,935,071.92/75,390.36
  6. Step 6: Final answer
    x = 77,794.23

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1.5x scale

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.