Home / 107,949.02-161,921.10-48,768.80

Finding the Fourth Proportional to 107,949.02, 161,921.10 and 48,768.80

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Solution

The fourth proportional to 107,949.02, 161,921.10 and 48,768.80 is: 73,152.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,949.02 : 161,921.10 = 48,768.80 : x
  2. Step 2: Convert to fraction form
    107,949.02/161,921.10 = 48,768.80/x
  3. Step 3: Cross multiply
    107,949.02x = 161,921.10 × 48,768.80
  4. Step 4: Simplify right side
    107,949.02x = 7,896,697,741.68
  5. Step 5: Solve for x
    x = 7,896,697,741.68/107,949.02
  6. Step 6: Final answer
    x = 73,152.10

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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.