Home / 91,364.72-126,086.09-51,080.18

Finding the Fourth Proportional to 91,364.72, 126,086.09 and 51,080.18

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Solution

The fourth proportional to 91,364.72, 126,086.09 and 51,080.18 is: 70,492.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,364.72 : 126,086.09 = 51,080.18 : x
  2. Step 2: Convert to fraction form
    91,364.72/126,086.09 = 51,080.18/x
  3. Step 3: Cross multiply
    91,364.72x = 126,086.09 × 51,080.18
  4. Step 4: Simplify right side
    91,364.72x = 6,440,499,286.86
  5. Step 5: Solve for x
    x = 6,440,499,286.86/91,364.72
  6. Step 6: Final answer
    x = 70,492.19

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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.