Home / 91,179.42-125,842.18-53,453.67

Finding the Fourth Proportional to 91,179.42, 125,842.18 and 53,453.67

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Solution

The fourth proportional to 91,179.42, 125,842.18 and 53,453.67 is: 73,774.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,179.42 : 125,842.18 = 53,453.67 : x
  2. Step 2: Convert to fraction form
    91,179.42/125,842.18 = 53,453.67/x
  3. Step 3: Cross multiply
    91,179.42x = 125,842.18 × 53,453.67
  4. Step 4: Simplify right side
    91,179.42x = 6,726,726,714.68
  5. Step 5: Solve for x
    x = 6,726,726,714.68/91,179.42
  6. Step 6: Final answer
    x = 73,774.61

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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.