Home / 107,947.02-161,918.10-48,766.80

Finding the Fourth Proportional to 107,947.02, 161,918.10 and 48,766.80

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Solution

The fourth proportional to 107,947.02, 161,918.10 and 48,766.80 is: 73,149.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,947.02 : 161,918.10 = 48,766.80 : x
  2. Step 2: Convert to fraction form
    107,947.02/161,918.10 = 48,766.80/x
  3. Step 3: Cross multiply
    107,947.02x = 161,918.10 × 48,766.80
  4. Step 4: Simplify right side
    107,947.02x = 7,896,227,599.08
  5. Step 5: Solve for x
    x = 7,896,227,599.08/107,947.02
  6. Step 6: Final answer
    x = 73,149.10

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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.