Home / 91,549.49-126,331.62-55,751.03

Finding the Fourth Proportional to 91,549.49, 126,331.62 and 55,751.03

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Solution

The fourth proportional to 91,549.49, 126,331.62 and 55,751.03 is: 76,932.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,549.49 : 126,331.62 = 55,751.03 : x
  2. Step 2: Convert to fraction form
    91,549.49/126,331.62 = 55,751.03/x
  3. Step 3: Cross multiply
    91,549.49x = 126,331.62 × 55,751.03
  4. Step 4: Simplify right side
    91,549.49x = 7,043,117,304.91
  5. Step 5: Solve for x
    x = 7,043,117,304.91/91,549.49
  6. Step 6: Final answer
    x = 76,932.35

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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.