Home / 101,724.08-140,365.80-58,705.04

Finding the Fourth Proportional to 101,724.08, 140,365.80 and 58,705.04

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Solution

The fourth proportional to 101,724.08, 140,365.80 and 58,705.04 is: 81,005.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,724.08 : 140,365.80 = 58,705.04 : x
  2. Step 2: Convert to fraction form
    101,724.08/140,365.80 = 58,705.04/x
  3. Step 3: Cross multiply
    101,724.08x = 140,365.80 × 58,705.04
  4. Step 4: Simplify right side
    101,724.08x = 8,240,179,903.63
  5. Step 5: Solve for x
    x = 8,240,179,903.63/101,724.08
  6. Step 6: Final answer
    x = 81,005.20

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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.