Home / 90,118.98-124,360.26-49,282.38

Finding the Fourth Proportional to 90,118.98, 124,360.26 and 49,282.38

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Solution

The fourth proportional to 90,118.98, 124,360.26 and 49,282.38 is: 68,007.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,118.98 : 124,360.26 = 49,282.38 : x
  2. Step 2: Convert to fraction form
    90,118.98/124,360.26 = 49,282.38/x
  3. Step 3: Cross multiply
    90,118.98x = 124,360.26 × 49,282.38
  4. Step 4: Simplify right side
    90,118.98x = 6,128,769,590.22
  5. Step 5: Solve for x
    x = 6,128,769,590.22/90,118.98
  6. Step 6: Final answer
    x = 68,007.53

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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.