Home / 107,629.02-161,382.78-51,482.66

Finding the Fourth Proportional to 107,629.02, 161,382.78 and 51,482.66

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Solution

The fourth proportional to 107,629.02, 161,382.78 and 51,482.66 is: 77,194.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,629.02 : 161,382.78 = 51,482.66 : x
  2. Step 2: Convert to fraction form
    107,629.02/161,382.78 = 51,482.66/x
  3. Step 3: Cross multiply
    107,629.02x = 161,382.78 × 51,482.66
  4. Step 4: Simplify right side
    107,629.02x = 8,308,413,985.68
  5. Step 5: Solve for x
    x = 8,308,413,985.68/107,629.02
  6. Step 6: Final answer
    x = 77,194.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.