Home / 55,228.73-76,217.81-31,357.63

Finding the Fourth Proportional to 55,228.73, 76,217.81 and 31,357.63

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Solution

The fourth proportional to 55,228.73, 76,217.81 and 31,357.63 is: 43,274.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,228.73 : 76,217.81 = 31,357.63 : x
  2. Step 2: Convert to fraction form
    55,228.73/76,217.81 = 31,357.63/x
  3. Step 3: Cross multiply
    55,228.73x = 76,217.81 × 31,357.63
  4. Step 4: Simplify right side
    55,228.73x = 2,390,009,885.39
  5. Step 5: Solve for x
    x = 2,390,009,885.39/55,228.73
  6. Step 6: Final answer
    x = 43,274.76

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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.