Home / 53,161.54-73,368.11-39,709.46

Finding the Fourth Proportional to 53,161.54, 73,368.11 and 39,709.46

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Solution

The fourth proportional to 53,161.54, 73,368.11 and 39,709.46 is: 54,802.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,161.54 : 73,368.11 = 39,709.46 : x
  2. Step 2: Convert to fraction form
    53,161.54/73,368.11 = 39,709.46/x
  3. Step 3: Cross multiply
    53,161.54x = 73,368.11 × 39,709.46
  4. Step 4: Simplify right side
    53,161.54x = 2,913,408,029.32
  5. Step 5: Solve for x
    x = 2,913,408,029.32/53,161.54
  6. Step 6: Final answer
    x = 54,802.93

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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.