Home / 107,624.64-161,430.40-51,504.64

Finding the Fourth Proportional to 107,624.64, 161,430.40 and 51,504.64

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Solution

The fourth proportional to 107,624.64, 161,430.40 and 51,504.64 is: 77,253.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,624.64 : 161,430.40 = 51,504.64 : x
  2. Step 2: Convert to fraction form
    107,624.64/161,430.40 = 51,504.64/x
  3. Step 3: Cross multiply
    107,624.64x = 161,430.40 × 51,504.64
  4. Step 4: Simplify right side
    107,624.64x = 8,314,414,637.06
  5. Step 5: Solve for x
    x = 8,314,414,637.06/107,624.64
  6. Step 6: Final answer
    x = 77,253.82

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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.