Home / 67,190.36-92,674.91-55,668.92

Finding the Fourth Proportional to 67,190.36, 92,674.91 and 55,668.92

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Solution

The fourth proportional to 67,190.36, 92,674.91 and 55,668.92 is: 76,783.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,190.36 : 92,674.91 = 55,668.92 : x
  2. Step 2: Convert to fraction form
    67,190.36/92,674.91 = 55,668.92/x
  3. Step 3: Cross multiply
    67,190.36x = 92,674.91 × 55,668.92
  4. Step 4: Simplify right side
    67,190.36x = 5,159,111,409.08
  5. Step 5: Solve for x
    x = 5,159,111,409.08/67,190.36
  6. Step 6: Final answer
    x = 76,783.51

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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.