Home / 90,531.60-124,932.04-50,247.06

Finding the Fourth Proportional to 90,531.60, 124,932.04 and 50,247.06

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Solution

The fourth proportional to 90,531.60, 124,932.04 and 50,247.06 is: 69,340.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,531.60 : 124,932.04 = 50,247.06 : x
  2. Step 2: Convert to fraction form
    90,531.60/124,932.04 = 50,247.06/x
  3. Step 3: Cross multiply
    90,531.60x = 124,932.04 × 50,247.06
  4. Step 4: Simplify right side
    90,531.60x = 6,277,467,085.14
  5. Step 5: Solve for x
    x = 6,277,467,085.14/90,531.60
  6. Step 6: Final answer
    x = 69,340.07

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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.