Home / 91,269.36-125,960.40-55,451.16

Finding the Fourth Proportional to 91,269.36, 125,960.40 and 55,451.16

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Solution

The fourth proportional to 91,269.36, 125,960.40 and 55,451.16 is: 76,527.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,269.36 : 125,960.40 = 55,451.16 : x
  2. Step 2: Convert to fraction form
    91,269.36/125,960.40 = 55,451.16/x
  3. Step 3: Cross multiply
    91,269.36x = 125,960.40 × 55,451.16
  4. Step 4: Simplify right side
    91,269.36x = 6,984,650,294.06
  5. Step 5: Solve for x
    x = 6,984,650,294.06/91,269.36
  6. Step 6: Final answer
    x = 76,527.88

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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.