Home / 90,601.83-125,027.10-50,318.19

Finding the Fourth Proportional to 90,601.83, 125,027.10 and 50,318.19

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Solution

The fourth proportional to 90,601.83, 125,027.10 and 50,318.19 is: 69,437.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,601.83 : 125,027.10 = 50,318.19 : x
  2. Step 2: Convert to fraction form
    90,601.83/125,027.10 = 50,318.19/x
  3. Step 3: Cross multiply
    90,601.83x = 125,027.10 × 50,318.19
  4. Step 4: Simplify right side
    90,601.83x = 6,291,137,136.29
  5. Step 5: Solve for x
    x = 6,291,137,136.29/90,601.83
  6. Step 6: Final answer
    x = 69,437.20

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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.