Home / 89,982.50-124,175.86-52,259.18

Finding the Fourth Proportional to 89,982.50, 124,175.86 and 52,259.18

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Solution

The fourth proportional to 89,982.50, 124,175.86 and 52,259.18 is: 72,117.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,982.50 : 124,175.86 = 52,259.18 : x
  2. Step 2: Convert to fraction form
    89,982.50/124,175.86 = 52,259.18/x
  3. Step 3: Cross multiply
    89,982.50x = 124,175.86 × 52,259.18
  4. Step 4: Simplify right side
    89,982.50x = 6,489,328,619.39
  5. Step 5: Solve for x
    x = 6,489,328,619.39/89,982.50
  6. Step 6: Final answer
    x = 72,117.67

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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.