Home / 53,113.51-79,701.05-19,832.33

Finding the Fourth Proportional to 53,113.51, 79,701.05 and 19,832.33

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Solution

The fourth proportional to 53,113.51, 79,701.05 and 19,832.33 is: 29,759.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,113.51 : 79,701.05 = 19,832.33 : x
  2. Step 2: Convert to fraction form
    53,113.51/79,701.05 = 19,832.33/x
  3. Step 3: Cross multiply
    53,113.51x = 79,701.05 × 19,832.33
  4. Step 4: Simplify right side
    53,113.51x = 1,580,657,524.95
  5. Step 5: Solve for x
    x = 1,580,657,524.95/53,113.51
  6. Step 6: Final answer
    x = 29,759.99

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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.