Home / 53,788.51-80,682.81-14,345.61

Finding the Fourth Proportional to 53,788.51, 80,682.81 and 14,345.61

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Solution

The fourth proportional to 53,788.51, 80,682.81 and 14,345.61 is: 21,518.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,788.51 : 80,682.81 = 14,345.61 : x
  2. Step 2: Convert to fraction form
    53,788.51/80,682.81 = 14,345.61/x
  3. Step 3: Cross multiply
    53,788.51x = 80,682.81 × 14,345.61
  4. Step 4: Simplify right side
    53,788.51x = 1,157,443,809.95
  5. Step 5: Solve for x
    x = 1,157,443,809.95/53,788.51
  6. Step 6: Final answer
    x = 21,518.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.