Home / 91,555.95-126,347.20-50,722.73

Finding the Fourth Proportional to 91,555.95, 126,347.20 and 50,722.73

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Solution

The fourth proportional to 91,555.95, 126,347.20 and 50,722.73 is: 69,997.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,555.95 : 126,347.20 = 50,722.73 : x
  2. Step 2: Convert to fraction form
    91,555.95/126,347.20 = 50,722.73/x
  3. Step 3: Cross multiply
    91,555.95x = 126,347.20 × 50,722.73
  4. Step 4: Simplify right side
    91,555.95x = 6,408,674,911.86
  5. Step 5: Solve for x
    x = 6,408,674,911.86/91,555.95
  6. Step 6: Final answer
    x = 69,997.36

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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.