Home / 89,994.51-124,189.20-49,706.19

Finding the Fourth Proportional to 89,994.51, 124,189.20 and 49,706.19

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Solution

The fourth proportional to 89,994.51, 124,189.20 and 49,706.19 is: 68,592.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,994.51 : 124,189.20 = 49,706.19 : x
  2. Step 2: Convert to fraction form
    89,994.51/124,189.20 = 49,706.19/x
  3. Step 3: Cross multiply
    89,994.51x = 124,189.20 × 49,706.19
  4. Step 4: Simplify right side
    89,994.51x = 6,172,971,971.15
  5. Step 5: Solve for x
    x = 6,172,971,971.15/89,994.51
  6. Step 6: Final answer
    x = 68,592.76

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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.