Home / 55,236.60-76,226.47-30,086.10

Finding the Fourth Proportional to 55,236.60, 76,226.47 and 30,086.10

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Solution

The fourth proportional to 55,236.60, 76,226.47 and 30,086.10 is: 41,518.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,236.60 : 76,226.47 = 30,086.10 : x
  2. Step 2: Convert to fraction form
    55,236.60/76,226.47 = 30,086.10/x
  3. Step 3: Cross multiply
    55,236.60x = 76,226.47 × 30,086.10
  4. Step 4: Simplify right side
    55,236.60x = 2,293,357,199.07
  5. Step 5: Solve for x
    x = 2,293,357,199.07/55,236.60
  6. Step 6: Final answer
    x = 41,518.80

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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.