Home / 91,853.40-126,748.94-51,557.93

Finding the Fourth Proportional to 91,853.40, 126,748.94 and 51,557.93

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Solution

The fourth proportional to 91,853.40, 126,748.94 and 51,557.93 is: 71,145.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,853.40 : 126,748.94 = 51,557.93 : x
  2. Step 2: Convert to fraction form
    91,853.40/126,748.94 = 51,557.93/x
  3. Step 3: Cross multiply
    91,853.40x = 126,748.94 × 51,557.93
  4. Step 4: Simplify right side
    91,853.40x = 6,534,912,976.09
  5. Step 5: Solve for x
    x = 6,534,912,976.09/91,853.40
  6. Step 6: Final answer
    x = 71,145.03

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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.