Home / 90,770.76-125,261.46-50,484.40

Finding the Fourth Proportional to 90,770.76, 125,261.46 and 50,484.40

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Solution

The fourth proportional to 90,770.76, 125,261.46 and 50,484.40 is: 69,667.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,770.76 : 125,261.46 = 50,484.40 : x
  2. Step 2: Convert to fraction form
    90,770.76/125,261.46 = 50,484.40/x
  3. Step 3: Cross multiply
    90,770.76x = 125,261.46 × 50,484.40
  4. Step 4: Simplify right side
    90,770.76x = 6,323,749,651.22
  5. Step 5: Solve for x
    x = 6,323,749,651.22/90,770.76
  6. Step 6: Final answer
    x = 69,667.25

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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.