Home / 90,311.23-124,633.60-50,024.98

Finding the Fourth Proportional to 90,311.23, 124,633.60 and 50,024.98

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Solution

The fourth proportional to 90,311.23, 124,633.60 and 50,024.98 is: 69,036.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,311.23 : 124,633.60 = 50,024.98 : x
  2. Step 2: Convert to fraction form
    90,311.23/124,633.60 = 50,024.98/x
  3. Step 3: Cross multiply
    90,311.23x = 124,633.60 × 50,024.98
  4. Step 4: Simplify right side
    90,311.23x = 6,234,793,097.20
  5. Step 5: Solve for x
    x = 6,234,793,097.20/90,311.23
  6. Step 6: Final answer
    x = 69,036.75

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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.