Home / 53,985.47-74,499.45-29,786.66

Finding the Fourth Proportional to 53,985.47, 74,499.45 and 29,786.66

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Solution

The fourth proportional to 53,985.47, 74,499.45 and 29,786.66 is: 41,105.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,985.47 : 74,499.45 = 29,786.66 : x
  2. Step 2: Convert to fraction form
    53,985.47/74,499.45 = 29,786.66/x
  3. Step 3: Cross multiply
    53,985.47x = 74,499.45 × 29,786.66
  4. Step 4: Simplify right side
    53,985.47x = 2,219,089,729.07
  5. Step 5: Solve for x
    x = 2,219,089,729.07/53,985.47
  6. Step 6: Final answer
    x = 41,105.31

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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.