Home / 90,015.57-124,219.31-49,733.19

Finding the Fourth Proportional to 90,015.57, 124,219.31 and 49,733.19

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Solution

The fourth proportional to 90,015.57, 124,219.31 and 49,733.19 is: 68,630.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,015.57 : 124,219.31 = 49,733.19 : x
  2. Step 2: Convert to fraction form
    90,015.57/124,219.31 = 49,733.19/x
  3. Step 3: Cross multiply
    90,015.57x = 124,219.31 × 49,733.19
  4. Step 4: Simplify right side
    90,015.57x = 6,177,822,297.23
  5. Step 5: Solve for x
    x = 6,177,822,297.23/90,015.57
  6. Step 6: Final answer
    x = 68,630.60

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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.