Home / 65,244.72-90,081.09-50,110.35

Finding the Fourth Proportional to 65,244.72, 90,081.09 and 50,110.35

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Solution

The fourth proportional to 65,244.72, 90,081.09 and 50,110.35 is: 69,185.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,244.72 : 90,081.09 = 50,110.35 : x
  2. Step 2: Convert to fraction form
    65,244.72/90,081.09 = 50,110.35/x
  3. Step 3: Cross multiply
    65,244.72x = 90,081.09 × 50,110.35
  4. Step 4: Simplify right side
    65,244.72x = 4,513,994,948.28
  5. Step 5: Solve for x
    x = 4,513,994,948.28/65,244.72
  6. Step 6: Final answer
    x = 69,185.60

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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.