Home / 90,441.66-124,817.04-50,159.28

Finding the Fourth Proportional to 90,441.66, 124,817.04 and 50,159.28

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Solution

The fourth proportional to 90,441.66, 124,817.04 and 50,159.28 is: 69,223.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,441.66 : 124,817.04 = 50,159.28 : x
  2. Step 2: Convert to fraction form
    90,441.66/124,817.04 = 50,159.28/x
  3. Step 3: Cross multiply
    90,441.66x = 124,817.04 × 50,159.28
  4. Step 4: Simplify right side
    90,441.66x = 6,260,732,858.13
  5. Step 5: Solve for x
    x = 6,260,732,858.13/90,441.66
  6. Step 6: Final answer
    x = 69,223.99

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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.