Home / 76,925.72-106,158.48-45,086.60

Finding the Fourth Proportional to 76,925.72, 106,158.48 and 45,086.60

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Solution

The fourth proportional to 76,925.72, 106,158.48 and 45,086.60 is: 62,220.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,925.72 : 106,158.48 = 45,086.60 : x
  2. Step 2: Convert to fraction form
    76,925.72/106,158.48 = 45,086.60/x
  3. Step 3: Cross multiply
    76,925.72x = 106,158.48 × 45,086.60
  4. Step 4: Simplify right side
    76,925.72x = 4,786,324,924.37
  5. Step 5: Solve for x
    x = 4,786,324,924.37/76,925.72
  6. Step 6: Final answer
    x = 62,220.09

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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.