Home / 91,290.33-125,980.32-50,453.31

Finding the Fourth Proportional to 91,290.33, 125,980.32 and 50,453.31

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Solution

The fourth proportional to 91,290.33, 125,980.32 and 50,453.31 is: 69,625.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,290.33 : 125,980.32 = 50,453.31 : x
  2. Step 2: Convert to fraction form
    91,290.33/125,980.32 = 50,453.31/x
  3. Step 3: Cross multiply
    91,290.33x = 125,980.32 × 50,453.31
  4. Step 4: Simplify right side
    91,290.33x = 6,356,124,138.86
  5. Step 5: Solve for x
    x = 6,356,124,138.86/91,290.33
  6. Step 6: Final answer
    x = 69,625.38

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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.