Home / 107,660.34-161,326.76-51,423.01

Finding the Fourth Proportional to 107,660.34, 161,326.76 and 51,423.01

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Solution

The fourth proportional to 107,660.34, 161,326.76 and 51,423.01 is: 77,056.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,660.34 : 161,326.76 = 51,423.01 : x
  2. Step 2: Convert to fraction form
    107,660.34/161,326.76 = 51,423.01/x
  3. Step 3: Cross multiply
    107,660.34x = 161,326.76 × 51,423.01
  4. Step 4: Simplify right side
    107,660.34x = 8,295,907,592.75
  5. Step 5: Solve for x
    x = 8,295,907,592.75/107,660.34
  6. Step 6: Final answer
    x = 77,056.30

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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.