Home / 124,178.96-171,366.09-67,590.34

Finding the Fourth Proportional to 124,178.96, 171,366.09 and 67,590.34

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Solution

The fourth proportional to 124,178.96, 171,366.09 and 67,590.34 is: 93,274.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,178.96 : 171,366.09 = 67,590.34 : x
  2. Step 2: Convert to fraction form
    124,178.96/171,366.09 = 67,590.34/x
  3. Step 3: Cross multiply
    124,178.96x = 171,366.09 × 67,590.34
  4. Step 4: Simplify right side
    124,178.96x = 11,582,692,287.57
  5. Step 5: Solve for x
    x = 11,582,692,287.57/124,178.96
  6. Step 6: Final answer
    x = 93,274.19

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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.