Home / 53,716.51-74,124.45-31,056.97

Finding the Fourth Proportional to 53,716.51, 74,124.45 and 31,056.97

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Solution

The fourth proportional to 53,716.51, 74,124.45 and 31,056.97 is: 42,856.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,716.51 : 74,124.45 = 31,056.97 : x
  2. Step 2: Convert to fraction form
    53,716.51/74,124.45 = 31,056.97/x
  3. Step 3: Cross multiply
    53,716.51x = 74,124.45 × 31,056.97
  4. Step 4: Simplify right side
    53,716.51x = 2,302,080,819.92
  5. Step 5: Solve for x
    x = 2,302,080,819.92/53,716.51
  6. Step 6: Final answer
    x = 42,856.11

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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.