Home / 90,204.84-124,480.14-49,920.28

Finding the Fourth Proportional to 90,204.84, 124,480.14 and 49,920.28

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Solution

The fourth proportional to 90,204.84, 124,480.14 and 49,920.28 is: 68,888.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,204.84 : 124,480.14 = 49,920.28 : x
  2. Step 2: Convert to fraction form
    90,204.84/124,480.14 = 49,920.28/x
  3. Step 3: Cross multiply
    90,204.84x = 124,480.14 × 49,920.28
  4. Step 4: Simplify right side
    90,204.84x = 6,214,083,443.24
  5. Step 5: Solve for x
    x = 6,214,083,443.24/90,204.84
  6. Step 6: Final answer
    x = 68,888.58

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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.