Home / 96,949.85-133,747.07-56,645.49

Finding the Fourth Proportional to 96,949.85, 133,747.07 and 56,645.49

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Solution

The fourth proportional to 96,949.85, 133,747.07 and 56,645.49 is: 78,145.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,949.85 : 133,747.07 = 56,645.49 : x
  2. Step 2: Convert to fraction form
    96,949.85/133,747.07 = 56,645.49/x
  3. Step 3: Cross multiply
    96,949.85x = 133,747.07 × 56,645.49
  4. Step 4: Simplify right side
    96,949.85x = 7,576,168,316.21
  5. Step 5: Solve for x
    x = 7,576,168,316.21/96,949.85
  6. Step 6: Final answer
    x = 78,145.23

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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.