Home / 91,812.42-126,701.82-51,527.07

Finding the Fourth Proportional to 91,812.42, 126,701.82 and 51,527.07

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Solution

The fourth proportional to 91,812.42, 126,701.82 and 51,527.07 is: 71,107.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,812.42 : 126,701.82 = 51,527.07 : x
  2. Step 2: Convert to fraction form
    91,812.42/126,701.82 = 51,527.07/x
  3. Step 3: Cross multiply
    91,812.42x = 126,701.82 × 51,527.07
  4. Step 4: Simplify right side
    91,812.42x = 6,528,573,548.27
  5. Step 5: Solve for x
    x = 6,528,573,548.27/91,812.42
  6. Step 6: Final answer
    x = 71,107.74

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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.