Home / 107,627.10-161,440.80-51,454

Finding the Fourth Proportional to 107,627.10, 161,440.80 and 51,454

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Solution

The fourth proportional to 107,627.10, 161,440.80 and 51,454 is: 77,181.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,627.10 : 161,440.80 = 51,454 : x
  2. Step 2: Convert to fraction form
    107,627.10/161,440.80 = 51,454/x
  3. Step 3: Cross multiply
    107,627.10x = 161,440.80 × 51,454
  4. Step 4: Simplify right side
    107,627.10x = 8,306,774,923.20
  5. Step 5: Solve for x
    x = 8,306,774,923.20/107,627.10
  6. Step 6: Final answer
    x = 77,181.07

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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.