Home / 91,571.58-126,367.29-51,285.02

Finding the Fourth Proportional to 91,571.58, 126,367.29 and 51,285.02

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Solution

The fourth proportional to 91,571.58, 126,367.29 and 51,285.02 is: 70,772.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,571.58 : 126,367.29 = 51,285.02 : x
  2. Step 2: Convert to fraction form
    91,571.58/126,367.29 = 51,285.02/x
  3. Step 3: Cross multiply
    91,571.58x = 126,367.29 × 51,285.02
  4. Step 4: Simplify right side
    91,571.58x = 6,480,748,363.16
  5. Step 5: Solve for x
    x = 6,480,748,363.16/91,571.58
  6. Step 6: Final answer
    x = 70,772.49

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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.