Home / 90,343.08-124,671.42-50,056.92

Finding the Fourth Proportional to 90,343.08, 124,671.42 and 50,056.92

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Solution

The fourth proportional to 90,343.08, 124,671.42 and 50,056.92 is: 69,077.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,343.08 : 124,671.42 = 50,056.92 : x
  2. Step 2: Convert to fraction form
    90,343.08/124,671.42 = 50,056.92/x
  3. Step 3: Cross multiply
    90,343.08x = 124,671.42 × 50,056.92
  4. Step 4: Simplify right side
    90,343.08x = 6,240,667,297.23
  5. Step 5: Solve for x
    x = 6,240,667,297.23/90,343.08
  6. Step 6: Final answer
    x = 69,077.42

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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.