Home / 115,923.02-159,979.72-64,932.70

Finding the Fourth Proportional to 115,923.02, 159,979.72 and 64,932.70

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Solution

The fourth proportional to 115,923.02, 159,979.72 and 64,932.70 is: 89,610.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,923.02 : 159,979.72 = 64,932.70 : x
  2. Step 2: Convert to fraction form
    115,923.02/159,979.72 = 64,932.70/x
  3. Step 3: Cross multiply
    115,923.02x = 159,979.72 × 64,932.70
  4. Step 4: Simplify right side
    115,923.02x = 10,387,915,164.84
  5. Step 5: Solve for x
    x = 10,387,915,164.84/115,923.02
  6. Step 6: Final answer
    x = 89,610.46

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.