Home / 110,579.40-152,603.64-62,840.76

Finding the Fourth Proportional to 110,579.40, 152,603.64 and 62,840.76

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Solution

The fourth proportional to 110,579.40, 152,603.64 and 62,840.76 is: 86,722.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,579.40 : 152,603.64 = 62,840.76 : x
  2. Step 2: Convert to fraction form
    110,579.40/152,603.64 = 62,840.76/x
  3. Step 3: Cross multiply
    110,579.40x = 152,603.64 × 62,840.76
  4. Step 4: Simplify right side
    110,579.40x = 9,589,728,716.37
  5. Step 5: Solve for x
    x = 9,589,728,716.37/110,579.40
  6. Step 6: Final answer
    x = 86,722.56

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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.