Home / 91,570.05-126,360.63-51,274.57

Finding the Fourth Proportional to 91,570.05, 126,360.63 and 51,274.57

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Solution

The fourth proportional to 91,570.05, 126,360.63 and 51,274.57 is: 70,755.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,570.05 : 126,360.63 = 51,274.57 : x
  2. Step 2: Convert to fraction form
    91,570.05/126,360.63 = 51,274.57/x
  3. Step 3: Cross multiply
    91,570.05x = 126,360.63 × 51,274.57
  4. Step 4: Simplify right side
    91,570.05x = 6,479,086,968.18
  5. Step 5: Solve for x
    x = 6,479,086,968.18/91,570.05
  6. Step 6: Final answer
    x = 70,755.53

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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.