Home / 91,116.09-125,740.35-50,279.27

Finding the Fourth Proportional to 91,116.09, 125,740.35 and 50,279.27

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Solution

The fourth proportional to 91,116.09, 125,740.35 and 50,279.27 is: 69,385.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,116.09 : 125,740.35 = 50,279.27 : x
  2. Step 2: Convert to fraction form
    91,116.09/125,740.35 = 50,279.27/x
  3. Step 3: Cross multiply
    91,116.09x = 125,740.35 × 50,279.27
  4. Step 4: Simplify right side
    91,116.09x = 6,322,132,378.84
  5. Step 5: Solve for x
    x = 6,322,132,378.84/91,116.09
  6. Step 6: Final answer
    x = 69,385.47

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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.