Home / 91,333.62-126,039.87-51,047.31

Finding the Fourth Proportional to 91,333.62, 126,039.87 and 51,047.31

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Solution

The fourth proportional to 91,333.62, 126,039.87 and 51,047.31 is: 70,444.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,333.62 : 126,039.87 = 51,047.31 : x
  2. Step 2: Convert to fraction form
    91,333.62/126,039.87 = 51,047.31/x
  3. Step 3: Cross multiply
    91,333.62x = 126,039.87 × 51,047.31
  4. Step 4: Simplify right side
    91,333.62x = 6,433,996,316.25
  5. Step 5: Solve for x
    x = 6,433,996,316.25/91,333.62
  6. Step 6: Final answer
    x = 70,444.99

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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.