Home / 90,104.84-124,339.66-49,816.25

Finding the Fourth Proportional to 90,104.84, 124,339.66 and 49,816.25

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Solution

The fourth proportional to 90,104.84, 124,339.66 and 49,816.25 is: 68,743.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,104.84 : 124,339.66 = 49,816.25 : x
  2. Step 2: Convert to fraction form
    90,104.84/124,339.66 = 49,816.25/x
  3. Step 3: Cross multiply
    90,104.84x = 124,339.66 × 49,816.25
  4. Step 4: Simplify right side
    90,104.84x = 6,194,135,307.51
  5. Step 5: Solve for x
    x = 6,194,135,307.51/90,104.84
  6. Step 6: Final answer
    x = 68,743.65

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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.