Home / 107,616.16-161,422.38-48,410.02

Finding the Fourth Proportional to 107,616.16, 161,422.38 and 48,410.02

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Solution

The fourth proportional to 107,616.16, 161,422.38 and 48,410.02 is: 72,614.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,616.16 : 161,422.38 = 48,410.02 : x
  2. Step 2: Convert to fraction form
    107,616.16/161,422.38 = 48,410.02/x
  3. Step 3: Cross multiply
    107,616.16x = 161,422.38 × 48,410.02
  4. Step 4: Simplify right side
    107,616.16x = 7,814,460,644.25
  5. Step 5: Solve for x
    x = 7,814,460,644.25/107,616.16
  6. Step 6: Final answer
    x = 72,614.19

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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.