Home / 101,460.04-139,928.94-61,164.97

Finding the Fourth Proportional to 101,460.04, 139,928.94 and 61,164.97

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Solution

The fourth proportional to 101,460.04, 139,928.94 and 61,164.97 is: 84,355.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,460.04 : 139,928.94 = 61,164.97 : x
  2. Step 2: Convert to fraction form
    101,460.04/139,928.94 = 61,164.97/x
  3. Step 3: Cross multiply
    101,460.04x = 139,928.94 × 61,164.97
  4. Step 4: Simplify right side
    101,460.04x = 8,558,749,067.41
  5. Step 5: Solve for x
    x = 8,558,749,067.41/101,460.04
  6. Step 6: Final answer
    x = 84,355.86

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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.