Home / 122,828.08-169,500.79-69,113.07

Finding the Fourth Proportional to 122,828.08, 169,500.79 and 69,113.07

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Solution

The fourth proportional to 122,828.08, 169,500.79 and 69,113.07 is: 95,374.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,828.08 : 169,500.79 = 69,113.07 : x
  2. Step 2: Convert to fraction form
    122,828.08/169,500.79 = 69,113.07/x
  3. Step 3: Cross multiply
    122,828.08x = 169,500.79 × 69,113.07
  4. Step 4: Simplify right side
    122,828.08x = 11,714,719,964.33
  5. Step 5: Solve for x
    x = 11,714,719,964.33/122,828.08
  6. Step 6: Final answer
    x = 95,374.93

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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.