Home / 91,351.18-126,084.97-55,533.59

Finding the Fourth Proportional to 91,351.18, 126,084.97 and 55,533.59

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Solution

The fourth proportional to 91,351.18, 126,084.97 and 55,533.59 is: 76,648.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,351.18 : 126,084.97 = 55,533.59 : x
  2. Step 2: Convert to fraction form
    91,351.18/126,084.97 = 55,533.59/x
  3. Step 3: Cross multiply
    91,351.18x = 126,084.97 × 55,533.59
  4. Step 4: Simplify right side
    91,351.18x = 7,001,951,029.14
  5. Step 5: Solve for x
    x = 7,001,951,029.14/91,351.18
  6. Step 6: Final answer
    x = 76,648.72

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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.