Home / 91,394.96-126,126.72-55,586.48

Finding the Fourth Proportional to 91,394.96, 126,126.72 and 55,586.48

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Solution

The fourth proportional to 91,394.96, 126,126.72 and 55,586.48 is: 76,710.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,394.96 : 126,126.72 = 55,586.48 : x
  2. Step 2: Convert to fraction form
    91,394.96/126,126.72 = 55,586.48/x
  3. Step 3: Cross multiply
    91,394.96x = 126,126.72 × 55,586.48
  4. Step 4: Simplify right side
    91,394.96x = 7,010,940,398.75
  5. Step 5: Solve for x
    x = 7,010,940,398.75/91,394.96
  6. Step 6: Final answer
    x = 76,710.36

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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.