Home / 90,533.28-124,935.78-50,247.52

Finding the Fourth Proportional to 90,533.28, 124,935.78 and 50,247.52

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Solution

The fourth proportional to 90,533.28, 124,935.78 and 50,247.52 is: 69,341.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,533.28 : 124,935.78 = 50,247.52 : x
  2. Step 2: Convert to fraction form
    90,533.28/124,935.78 = 50,247.52/x
  3. Step 3: Cross multiply
    90,533.28x = 124,935.78 × 50,247.52
  4. Step 4: Simplify right side
    90,533.28x = 6,277,713,104.27
  5. Step 5: Solve for x
    x = 6,277,713,104.27/90,533.28
  6. Step 6: Final answer
    x = 69,341.50

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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.