Home / 91,529.31-126,321.06-55,740.27

Finding the Fourth Proportional to 91,529.31, 126,321.06 and 55,740.27

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Solution

The fourth proportional to 91,529.31, 126,321.06 and 55,740.27 is: 76,928.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,529.31 : 126,321.06 = 55,740.27 : x
  2. Step 2: Convert to fraction form
    91,529.31/126,321.06 = 55,740.27/x
  3. Step 3: Cross multiply
    91,529.31x = 126,321.06 × 55,740.27
  4. Step 4: Simplify right side
    91,529.31x = 7,041,169,991.09
  5. Step 5: Solve for x
    x = 7,041,169,991.09/91,529.31
  6. Step 6: Final answer
    x = 76,928.04

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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.