Home / 90,733.69-125,213.95-49,899.43

Finding the Fourth Proportional to 90,733.69, 125,213.95 and 49,899.43

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Solution

The fourth proportional to 90,733.69, 125,213.95 and 49,899.43 is: 68,862.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,733.69 : 125,213.95 = 49,899.43 : x
  2. Step 2: Convert to fraction form
    90,733.69/125,213.95 = 49,899.43/x
  3. Step 3: Cross multiply
    90,733.69x = 125,213.95 × 49,899.43
  4. Step 4: Simplify right side
    90,733.69x = 6,248,104,733.05
  5. Step 5: Solve for x
    x = 6,248,104,733.05/90,733.69
  6. Step 6: Final answer
    x = 68,862.02

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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.