Home / 86,129.76-118,832.36-50,293.92

Finding the Fourth Proportional to 86,129.76, 118,832.36 and 50,293.92

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Solution

The fourth proportional to 86,129.76, 118,832.36 and 50,293.92 is: 69,390.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,129.76 : 118,832.36 = 50,293.92 : x
  2. Step 2: Convert to fraction form
    86,129.76/118,832.36 = 50,293.92/x
  3. Step 3: Cross multiply
    86,129.76x = 118,832.36 × 50,293.92
  4. Step 4: Simplify right side
    86,129.76x = 5,976,544,955.78
  5. Step 5: Solve for x
    x = 5,976,544,955.78/86,129.76
  6. Step 6: Final answer
    x = 69,390.01

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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.