Home / 73,749.36-101,774.34-40,215.36

Finding the Fourth Proportional to 73,749.36, 101,774.34 and 40,215.36

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Solution

The fourth proportional to 73,749.36, 101,774.34 and 40,215.36 is: 55,497.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,749.36 : 101,774.34 = 40,215.36 : x
  2. Step 2: Convert to fraction form
    73,749.36/101,774.34 = 40,215.36/x
  3. Step 3: Cross multiply
    73,749.36x = 101,774.34 × 40,215.36
  4. Step 4: Simplify right side
    73,749.36x = 4,092,891,721.86
  5. Step 5: Solve for x
    x = 4,092,891,721.86/73,749.36
  6. Step 6: Final answer
    x = 55,497.32

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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.