Home / 55,212.54-76,187.58-31,016.22

Finding the Fourth Proportional to 55,212.54, 76,187.58 and 31,016.22

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Solution

The fourth proportional to 55,212.54, 76,187.58 and 31,016.22 is: 42,799.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,212.54 : 76,187.58 = 31,016.22 : x
  2. Step 2: Convert to fraction form
    55,212.54/76,187.58 = 31,016.22/x
  3. Step 3: Cross multiply
    55,212.54x = 76,187.58 × 31,016.22
  4. Step 4: Simplify right side
    55,212.54x = 2,363,050,742.55
  5. Step 5: Solve for x
    x = 2,363,050,742.55/55,212.54
  6. Step 6: Final answer
    x = 42,799.17

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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.