Home / 90,531.84-124,932.06-50,243.26

Finding the Fourth Proportional to 90,531.84, 124,932.06 and 50,243.26

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Solution

The fourth proportional to 90,531.84, 124,932.06 and 50,243.26 is: 69,334.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,531.84 : 124,932.06 = 50,243.26 : x
  2. Step 2: Convert to fraction form
    90,531.84/124,932.06 = 50,243.26/x
  3. Step 3: Cross multiply
    90,531.84x = 124,932.06 × 50,243.26
  4. Step 4: Simplify right side
    90,531.84x = 6,276,993,972.92
  5. Step 5: Solve for x
    x = 6,276,993,972.92/90,531.84
  6. Step 6: Final answer
    x = 69,334.66

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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.