Home / 90,024.32-124,231.38-49,741.94

Finding the Fourth Proportional to 90,024.32, 124,231.38 and 49,741.94

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Solution

The fourth proportional to 90,024.32, 124,231.38 and 49,741.94 is: 68,642.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,024.32 : 124,231.38 = 49,741.94 : x
  2. Step 2: Convert to fraction form
    90,024.32/124,231.38 = 49,741.94/x
  3. Step 3: Cross multiply
    90,024.32x = 124,231.38 × 49,741.94
  4. Step 4: Simplify right side
    90,024.32x = 6,179,509,850.08
  5. Step 5: Solve for x
    x = 6,179,509,850.08/90,024.32
  6. Step 6: Final answer
    x = 68,642.67

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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.