Home / 53,713.05-74,124.09-29,839.11

Finding the Fourth Proportional to 53,713.05, 74,124.09 and 29,839.11

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Solution

The fourth proportional to 53,713.05, 74,124.09 and 29,839.11 is: 41,178.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,713.05 : 74,124.09 = 29,839.11 : x
  2. Step 2: Convert to fraction form
    53,713.05/74,124.09 = 29,839.11/x
  3. Step 3: Cross multiply
    53,713.05x = 74,124.09 × 29,839.11
  4. Step 4: Simplify right side
    53,713.05x = 2,211,796,875.16
  5. Step 5: Solve for x
    x = 2,211,796,875.16/53,713.05
  6. Step 6: Final answer
    x = 41,178.02

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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.