Home / 93,720.92-129,334.66-51,279.36

Finding the Fourth Proportional to 93,720.92, 129,334.66 and 51,279.36

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Solution

The fourth proportional to 93,720.92, 129,334.66 and 51,279.36 is: 70,765.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,720.92 : 129,334.66 = 51,279.36 : x
  2. Step 2: Convert to fraction form
    93,720.92/129,334.66 = 51,279.36/x
  3. Step 3: Cross multiply
    93,720.92x = 129,334.66 × 51,279.36
  4. Step 4: Simplify right side
    93,720.92x = 6,632,198,590.62
  5. Step 5: Solve for x
    x = 6,632,198,590.62/93,720.92
  6. Step 6: Final answer
    x = 70,765.40

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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.