Home / 54,209.76-74,799.63-31,236

Finding the Fourth Proportional to 54,209.76, 74,799.63 and 31,236

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Solution

The fourth proportional to 54,209.76, 74,799.63 and 31,236 is: 43,100.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,209.76 : 74,799.63 = 31,236 : x
  2. Step 2: Convert to fraction form
    54,209.76/74,799.63 = 31,236/x
  3. Step 3: Cross multiply
    54,209.76x = 74,799.63 × 31,236
  4. Step 4: Simplify right side
    54,209.76x = 2,336,441,242.68
  5. Step 5: Solve for x
    x = 2,336,441,242.68/54,209.76
  6. Step 6: Final answer
    x = 43,100.01

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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.