Home / 91,650.84-126,467.64-53,418.48

Finding the Fourth Proportional to 91,650.84, 126,467.64 and 53,418.48

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Solution

The fourth proportional to 91,650.84, 126,467.64 and 53,418.48 is: 73,711.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,650.84 : 126,467.64 = 53,418.48 : x
  2. Step 2: Convert to fraction form
    91,650.84/126,467.64 = 53,418.48/x
  3. Step 3: Cross multiply
    91,650.84x = 126,467.64 × 53,418.48
  4. Step 4: Simplify right side
    91,650.84x = 6,755,709,097.99
  5. Step 5: Solve for x
    x = 6,755,709,097.99/91,650.84
  6. Step 6: Final answer
    x = 73,711.37

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1.5x scale

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.