Home / 122,743.18-169,392.29-69,031.37

Finding the Fourth Proportional to 122,743.18, 169,392.29 and 69,031.37

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Solution

The fourth proportional to 122,743.18, 169,392.29 and 69,031.37 is: 95,267.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,743.18 : 169,392.29 = 69,031.37 : x
  2. Step 2: Convert to fraction form
    122,743.18/169,392.29 = 69,031.37/x
  3. Step 3: Cross multiply
    122,743.18x = 169,392.29 × 69,031.37
  4. Step 4: Simplify right side
    122,743.18x = 11,693,382,846.10
  5. Step 5: Solve for x
    x = 11,693,382,846.10/122,743.18
  6. Step 6: Final answer
    x = 95,267.07

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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.