Home / 91,927.86-126,860.94-51,643.32

Finding the Fourth Proportional to 91,927.86, 126,860.94 and 51,643.32

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Solution

The fourth proportional to 91,927.86, 126,860.94 and 51,643.32 is: 71,268.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,927.86 : 126,860.94 = 51,643.32 : x
  2. Step 2: Convert to fraction form
    91,927.86/126,860.94 = 51,643.32/x
  3. Step 3: Cross multiply
    91,927.86x = 126,860.94 × 51,643.32
  4. Step 4: Simplify right side
    91,927.86x = 6,551,520,119.92
  5. Step 5: Solve for x
    x = 6,551,520,119.92/91,927.86
  6. Step 6: Final answer
    x = 71,268.06

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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.