Home / 91,684.20-126,533.16-51,398.04

Finding the Fourth Proportional to 91,684.20, 126,533.16 and 51,398.04

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Solution

The fourth proportional to 91,684.20, 126,533.16 and 51,398.04 is: 70,934.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,684.20 : 126,533.16 = 51,398.04 : x
  2. Step 2: Convert to fraction form
    91,684.20/126,533.16 = 51,398.04/x
  3. Step 3: Cross multiply
    91,684.20x = 126,533.16 × 51,398.04
  4. Step 4: Simplify right side
    91,684.20x = 6,503,556,419.01
  5. Step 5: Solve for x
    x = 6,503,556,419.01/91,684.20
  6. Step 6: Final answer
    x = 70,934.32

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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.