Home / 90,235.07-124,522.89-49,947.97

Finding the Fourth Proportional to 90,235.07, 124,522.89 and 49,947.97

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Solution

The fourth proportional to 90,235.07, 124,522.89 and 49,947.97 is: 68,927.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,235.07 : 124,522.89 = 49,947.97 : x
  2. Step 2: Convert to fraction form
    90,235.07/124,522.89 = 49,947.97/x
  3. Step 3: Cross multiply
    90,235.07x = 124,522.89 × 49,947.97
  4. Step 4: Simplify right side
    90,235.07x = 6,219,664,701.68
  5. Step 5: Solve for x
    x = 6,219,664,701.68/90,235.07
  6. Step 6: Final answer
    x = 68,927.35

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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.