Home / 115,353.81-159,177.20-70,056.59

Finding the Fourth Proportional to 115,353.81, 159,177.20 and 70,056.59

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Solution

The fourth proportional to 115,353.81, 159,177.20 and 70,056.59 is: 96,671.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,353.81 : 159,177.20 = 70,056.59 : x
  2. Step 2: Convert to fraction form
    115,353.81/159,177.20 = 70,056.59/x
  3. Step 3: Cross multiply
    115,353.81x = 159,177.20 × 70,056.59
  4. Step 4: Simplify right side
    115,353.81x = 11,151,410,691.58
  5. Step 5: Solve for x
    x = 11,151,410,691.58/115,353.81
  6. Step 6: Final answer
    x = 96,671.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.