Home / 91,012.05-125,597.21-50,728.37

Finding the Fourth Proportional to 91,012.05, 125,597.21 and 50,728.37

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Solution

The fourth proportional to 91,012.05, 125,597.21 and 50,728.37 is: 70,005.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,012.05 : 125,597.21 = 50,728.37 : x
  2. Step 2: Convert to fraction form
    91,012.05/125,597.21 = 50,728.37/x
  3. Step 3: Cross multiply
    91,012.05x = 125,597.21 × 50,728.37
  4. Step 4: Simplify right side
    91,012.05x = 6,371,341,486.21
  5. Step 5: Solve for x
    x = 6,371,341,486.21/91,012.05
  6. Step 6: Final answer
    x = 70,005.47

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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.