Home / 91,023.60-125,613.18-50,739.96

Finding the Fourth Proportional to 91,023.60, 125,613.18 and 50,739.96

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Solution

The fourth proportional to 91,023.60, 125,613.18 and 50,739.96 is: 70,021.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,023.60 : 125,613.18 = 50,739.96 : x
  2. Step 2: Convert to fraction form
    91,023.60/125,613.18 = 50,739.96/x
  3. Step 3: Cross multiply
    91,023.60x = 125,613.18 × 50,739.96
  4. Step 4: Simplify right side
    91,023.60x = 6,373,607,728.67
  5. Step 5: Solve for x
    x = 6,373,607,728.67/91,023.60
  6. Step 6: Final answer
    x = 70,021.49

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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.