Home / 124,588.11-171,929.14-67,999.89

Finding the Fourth Proportional to 124,588.11, 171,929.14 and 67,999.89

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Solution

The fourth proportional to 124,588.11, 171,929.14 and 67,999.89 is: 93,838.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,588.11 : 171,929.14 = 67,999.89 : x
  2. Step 2: Convert to fraction form
    124,588.11/171,929.14 = 67,999.89/x
  3. Step 3: Cross multiply
    124,588.11x = 171,929.14 × 67,999.89
  4. Step 4: Simplify right side
    124,588.11x = 11,691,162,607.79
  5. Step 5: Solve for x
    x = 11,691,162,607.79/124,588.11
  6. Step 6: Final answer
    x = 93,838.51

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1.5x scale

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.