Home / 90,457.17-124,838.54-50,183.88

Finding the Fourth Proportional to 90,457.17, 124,838.54 and 50,183.88

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Solution

The fourth proportional to 90,457.17, 124,838.54 and 50,183.88 is: 69,258.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,457.17 : 124,838.54 = 50,183.88 : x
  2. Step 2: Convert to fraction form
    90,457.17/124,838.54 = 50,183.88/x
  3. Step 3: Cross multiply
    90,457.17x = 124,838.54 × 50,183.88
  4. Step 4: Simplify right side
    90,457.17x = 6,264,882,310.74
  5. Step 5: Solve for x
    x = 6,264,882,310.74/90,457.17
  6. Step 6: Final answer
    x = 69,258.00

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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.