Home / 113,023.44-155,965.32-62,721.36

Finding the Fourth Proportional to 113,023.44, 155,965.32 and 62,721.36

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Solution

The fourth proportional to 113,023.44, 155,965.32 and 62,721.36 is: 86,551.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,023.44 : 155,965.32 = 62,721.36 : x
  2. Step 2: Convert to fraction form
    113,023.44/155,965.32 = 62,721.36/x
  3. Step 3: Cross multiply
    113,023.44x = 155,965.32 × 62,721.36
  4. Step 4: Simplify right side
    113,023.44x = 9,782,356,983.24
  5. Step 5: Solve for x
    x = 9,782,356,983.24/113,023.44
  6. Step 6: Final answer
    x = 86,551.58

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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.