Home / 90,309.84-124,634.61-50,027.45

Finding the Fourth Proportional to 90,309.84, 124,634.61 and 50,027.45

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Solution

The fourth proportional to 90,309.84, 124,634.61 and 50,027.45 is: 69,041.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,309.84 : 124,634.61 = 50,027.45 : x
  2. Step 2: Convert to fraction form
    90,309.84/124,634.61 = 50,027.45/x
  3. Step 3: Cross multiply
    90,309.84x = 124,634.61 × 50,027.45
  4. Step 4: Simplify right side
    90,309.84x = 6,235,151,096.87
  5. Step 5: Solve for x
    x = 6,235,151,096.87/90,309.84
  6. Step 6: Final answer
    x = 69,041.77

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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.