Home / 90,530.84-124,930.68-50,242.26

Finding the Fourth Proportional to 90,530.84, 124,930.68 and 50,242.26

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Solution

The fourth proportional to 90,530.84, 124,930.68 and 50,242.26 is: 69,333.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,530.84 : 124,930.68 = 50,242.26 : x
  2. Step 2: Convert to fraction form
    90,530.84/124,930.68 = 50,242.26/x
  3. Step 3: Cross multiply
    90,530.84x = 124,930.68 × 50,242.26
  4. Step 4: Simplify right side
    90,530.84x = 6,276,799,706.54
  5. Step 5: Solve for x
    x = 6,276,799,706.54/90,530.84
  6. Step 6: Final answer
    x = 69,333.28

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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.