Home / 113,856.15-170,784.80-47,296.36

Finding the Fourth Proportional to 113,856.15, 170,784.80 and 47,296.36

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Solution

The fourth proportional to 113,856.15, 170,784.80 and 47,296.36 is: 70,944.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,856.15 : 170,784.80 = 47,296.36 : x
  2. Step 2: Convert to fraction form
    113,856.15/170,784.80 = 47,296.36/x
  3. Step 3: Cross multiply
    113,856.15x = 170,784.80 × 47,296.36
  4. Step 4: Simplify right side
    113,856.15x = 8,077,498,843.07
  5. Step 5: Solve for x
    x = 8,077,498,843.07/113,856.15
  6. Step 6: Final answer
    x = 70,944.78

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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.