Home / 90,307.56-124,625.43-50,021.94

Finding the Fourth Proportional to 90,307.56, 124,625.43 and 50,021.94

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Solution

The fourth proportional to 90,307.56, 124,625.43 and 50,021.94 is: 69,030.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,307.56 : 124,625.43 = 50,021.94 : x
  2. Step 2: Convert to fraction form
    90,307.56/124,625.43 = 50,021.94/x
  3. Step 3: Cross multiply
    90,307.56x = 124,625.43 × 50,021.94
  4. Step 4: Simplify right side
    90,307.56x = 6,234,005,781.93
  5. Step 5: Solve for x
    x = 6,234,005,781.93/90,307.56
  6. Step 6: Final answer
    x = 69,030.83

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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.