Home / 91,727.98-126,575.84-51,432.50

Finding the Fourth Proportional to 91,727.98, 126,575.84 and 51,432.50

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Solution

The fourth proportional to 91,727.98, 126,575.84 and 51,432.50 is: 70,971.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,727.98 : 126,575.84 = 51,432.50 : x
  2. Step 2: Convert to fraction form
    91,727.98/126,575.84 = 51,432.50/x
  3. Step 3: Cross multiply
    91,727.98x = 126,575.84 × 51,432.50
  4. Step 4: Simplify right side
    91,727.98x = 6,510,111,890.80
  5. Step 5: Solve for x
    x = 6,510,111,890.80/91,727.98
  6. Step 6: Final answer
    x = 70,971.93

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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.