Home / 90,122.98-124,364.36-49,833.58

Finding the Fourth Proportional to 90,122.98, 124,364.36 and 49,833.58

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Solution

The fourth proportional to 90,122.98, 124,364.36 and 49,833.58 is: 68,767.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,122.98 : 124,364.36 = 49,833.58 : x
  2. Step 2: Convert to fraction form
    90,122.98/124,364.36 = 49,833.58/x
  3. Step 3: Cross multiply
    90,122.98x = 124,364.36 × 49,833.58
  4. Step 4: Simplify right side
    90,122.98x = 6,197,521,283.21
  5. Step 5: Solve for x
    x = 6,197,521,283.21/90,122.98
  6. Step 6: Final answer
    x = 68,767.38

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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.