Home / 89,994.90-124,192.20-49,159.06

Finding the Fourth Proportional to 89,994.90, 124,192.20 and 49,159.06

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Solution

The fourth proportional to 89,994.90, 124,192.20 and 49,159.06 is: 67,839.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,994.90 : 124,192.20 = 49,159.06 : x
  2. Step 2: Convert to fraction form
    89,994.90/124,192.20 = 49,159.06/x
  3. Step 3: Cross multiply
    89,994.90x = 124,192.20 × 49,159.06
  4. Step 4: Simplify right side
    89,994.90x = 6,105,171,811.33
  5. Step 5: Solve for x
    x = 6,105,171,811.33/89,994.90
  6. Step 6: Final answer
    x = 67,839.09

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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.