Home / 90,172.22-124,426.91-49,880.52

Finding the Fourth Proportional to 90,172.22, 124,426.91 and 49,880.52

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Solution

The fourth proportional to 90,172.22, 124,426.91 and 49,880.52 is: 68,829.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,172.22 : 124,426.91 = 49,880.52 : x
  2. Step 2: Convert to fraction form
    90,172.22/124,426.91 = 49,880.52/x
  3. Step 3: Cross multiply
    90,172.22x = 124,426.91 × 49,880.52
  4. Step 4: Simplify right side
    90,172.22x = 6,206,478,723.39
  5. Step 5: Solve for x
    x = 6,206,478,723.39/90,172.22
  6. Step 6: Final answer
    x = 68,829.17

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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.