Home / 91,359.04-126,081.36-51,072.96

Finding the Fourth Proportional to 91,359.04, 126,081.36 and 51,072.96

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Solution

The fourth proportional to 91,359.04, 126,081.36 and 51,072.96 is: 70,483.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,359.04 : 126,081.36 = 51,072.96 : x
  2. Step 2: Convert to fraction form
    91,359.04/126,081.36 = 51,072.96/x
  3. Step 3: Cross multiply
    91,359.04x = 126,081.36 × 51,072.96
  4. Step 4: Simplify right side
    91,359.04x = 6,439,348,256.03
  5. Step 5: Solve for x
    x = 6,439,348,256.03/91,359.04
  6. Step 6: Final answer
    x = 70,483.97

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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.