Home / 91,370.22-126,093.68-51,085.68

Finding the Fourth Proportional to 91,370.22, 126,093.68 and 51,085.68

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Solution

The fourth proportional to 91,370.22, 126,093.68 and 51,085.68 is: 70,499.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,370.22 : 126,093.68 = 51,085.68 : x
  2. Step 2: Convert to fraction form
    91,370.22/126,093.68 = 51,085.68/x
  3. Step 3: Cross multiply
    91,370.22x = 126,093.68 × 51,085.68
  4. Step 4: Simplify right side
    91,370.22x = 6,441,581,386.50
  5. Step 5: Solve for x
    x = 6,441,581,386.50/91,370.22
  6. Step 6: Final answer
    x = 70,499.79

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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.