Home / 91,276.48-125,961.37-54,998.93

Finding the Fourth Proportional to 91,276.48, 125,961.37 and 54,998.93

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Solution

The fourth proportional to 91,276.48, 125,961.37 and 54,998.93 is: 75,898.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,276.48 : 125,961.37 = 54,998.93 : x
  2. Step 2: Convert to fraction form
    91,276.48/125,961.37 = 54,998.93/x
  3. Step 3: Cross multiply
    91,276.48x = 125,961.37 × 54,998.93
  4. Step 4: Simplify right side
    91,276.48x = 6,927,740,954.99
  5. Step 5: Solve for x
    x = 6,927,740,954.99/91,276.48
  6. Step 6: Final answer
    x = 75,898.43

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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.