Home / 91,800.35-126,686.99-51,516.58

Finding the Fourth Proportional to 91,800.35, 126,686.99 and 51,516.58

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Solution

The fourth proportional to 91,800.35, 126,686.99 and 51,516.58 is: 71,094.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,800.35 : 126,686.99 = 51,516.58 : x
  2. Step 2: Convert to fraction form
    91,800.35/126,686.99 = 51,516.58/x
  3. Step 3: Cross multiply
    91,800.35x = 126,686.99 × 51,516.58
  4. Step 4: Simplify right side
    91,800.35x = 6,526,479,769.74
  5. Step 5: Solve for x
    x = 6,526,479,769.74/91,800.35
  6. Step 6: Final answer
    x = 71,094.28

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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.