Home / 90,150.23-124,403.51-49,313.68

Finding the Fourth Proportional to 90,150.23, 124,403.51 and 49,313.68

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Solution

The fourth proportional to 90,150.23, 124,403.51 and 49,313.68 is: 68,050.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,150.23 : 124,403.51 = 49,313.68 : x
  2. Step 2: Convert to fraction form
    90,150.23/124,403.51 = 49,313.68/x
  3. Step 3: Cross multiply
    90,150.23x = 124,403.51 × 49,313.68
  4. Step 4: Simplify right side
    90,150.23x = 6,134,794,695.29
  5. Step 5: Solve for x
    x = 6,134,794,695.29/90,150.23
  6. Step 6: Final answer
    x = 68,050.79

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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.