Home / 90,574.81-124,997.15-50,288.58

Finding the Fourth Proportional to 90,574.81, 124,997.15 and 50,288.58

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Solution

The fourth proportional to 90,574.81, 124,997.15 and 50,288.58 is: 69,400.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,574.81 : 124,997.15 = 50,288.58 : x
  2. Step 2: Convert to fraction form
    90,574.81/124,997.15 = 50,288.58/x
  3. Step 3: Cross multiply
    90,574.81x = 124,997.15 × 50,288.58
  4. Step 4: Simplify right side
    90,574.81x = 6,285,928,926.10
  5. Step 5: Solve for x
    x = 6,285,928,926.10/90,574.81
  6. Step 6: Final answer
    x = 69,400.41

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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.