Home / 112,733.72-169,020.48-56,533.28

Finding the Fourth Proportional to 112,733.72, 169,020.48 and 56,533.28

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Solution

The fourth proportional to 112,733.72, 169,020.48 and 56,533.28 is: 84,759.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,733.72 : 169,020.48 = 56,533.28 : x
  2. Step 2: Convert to fraction form
    112,733.72/169,020.48 = 56,533.28/x
  3. Step 3: Cross multiply
    112,733.72x = 169,020.48 × 56,533.28
  4. Step 4: Simplify right side
    112,733.72x = 9,555,282,121.57
  5. Step 5: Solve for x
    x = 9,555,282,121.57/112,733.72
  6. Step 6: Final answer
    x = 84,759.75

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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.