Home / 91,858.39-126,763.50-51,571.15

Finding the Fourth Proportional to 91,858.39, 126,763.50 and 51,571.15

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Solution

The fourth proportional to 91,858.39, 126,763.50 and 51,571.15 is: 71,167.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,858.39 : 126,763.50 = 51,571.15 : x
  2. Step 2: Convert to fraction form
    91,858.39/126,763.50 = 51,571.15/x
  3. Step 3: Cross multiply
    91,858.39x = 126,763.50 × 51,571.15
  4. Step 4: Simplify right side
    91,858.39x = 6,537,339,473.03
  5. Step 5: Solve for x
    x = 6,537,339,473.03/91,858.39
  6. Step 6: Final answer
    x = 71,167.58

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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.