Home / 91,927.53-126,871.83-51,641.28

Finding the Fourth Proportional to 91,927.53, 126,871.83 and 51,641.28

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Solution

The fourth proportional to 91,927.53, 126,871.83 and 51,641.28 is: 71,271.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,927.53 : 126,871.83 = 51,641.28 : x
  2. Step 2: Convert to fraction form
    91,927.53/126,871.83 = 51,641.28/x
  3. Step 3: Cross multiply
    91,927.53x = 126,871.83 × 51,641.28
  4. Step 4: Simplify right side
    91,927.53x = 6,551,823,697.14
  5. Step 5: Solve for x
    x = 6,551,823,697.14/91,927.53
  6. Step 6: Final answer
    x = 71,271.62

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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.