Home / 90,231.77-124,518.06-49,943.18

Finding the Fourth Proportional to 90,231.77, 124,518.06 and 49,943.18

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Solution

The fourth proportional to 90,231.77, 124,518.06 and 49,943.18 is: 68,920.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,231.77 : 124,518.06 = 49,943.18 : x
  2. Step 2: Convert to fraction form
    90,231.77/124,518.06 = 49,943.18/x
  3. Step 3: Cross multiply
    90,231.77x = 124,518.06 × 49,943.18
  4. Step 4: Simplify right side
    90,231.77x = 6,218,828,195.13
  5. Step 5: Solve for x
    x = 6,218,828,195.13/90,231.77
  6. Step 6: Final answer
    x = 68,920.60

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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.