Home / 90,777.72-125,271.46-50,490.62

Finding the Fourth Proportional to 90,777.72, 125,271.46 and 50,490.62

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Solution

The fourth proportional to 90,777.72, 125,271.46 and 50,490.62 is: 69,676.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,777.72 : 125,271.46 = 50,490.62 : x
  2. Step 2: Convert to fraction form
    90,777.72/125,271.46 = 50,490.62/x
  3. Step 3: Cross multiply
    90,777.72x = 125,271.46 × 50,490.62
  4. Step 4: Simplify right side
    90,777.72x = 6,325,033,590.23
  5. Step 5: Solve for x
    x = 6,325,033,590.23/90,777.72
  6. Step 6: Final answer
    x = 69,676.05

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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.