Home / 90,395.82-124,733.13-50,109.57

Finding the Fourth Proportional to 90,395.82, 124,733.13 and 50,109.57

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Solution

The fourth proportional to 90,395.82, 124,733.13 and 50,109.57 is: 69,143.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,395.82 : 124,733.13 = 50,109.57 : x
  2. Step 2: Convert to fraction form
    90,395.82/124,733.13 = 50,109.57/x
  3. Step 3: Cross multiply
    90,395.82x = 124,733.13 × 50,109.57
  4. Step 4: Simplify right side
    90,395.82x = 6,250,323,509.05
  5. Step 5: Solve for x
    x = 6,250,323,509.05/90,395.82
  6. Step 6: Final answer
    x = 69,143.94

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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.