Home / 90,203.73-124,479.28-49,917.47

Finding the Fourth Proportional to 90,203.73, 124,479.28 and 49,917.47

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Solution

The fourth proportional to 90,203.73, 124,479.28 and 49,917.47 is: 68,885.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,203.73 : 124,479.28 = 49,917.47 : x
  2. Step 2: Convert to fraction form
    90,203.73/124,479.28 = 49,917.47/x
  3. Step 3: Cross multiply
    90,203.73x = 124,479.28 × 49,917.47
  4. Step 4: Simplify right side
    90,203.73x = 6,213,690,725.02
  5. Step 5: Solve for x
    x = 6,213,690,725.02/90,203.73
  6. Step 6: Final answer
    x = 68,885.08

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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.