Home / 53,687.81-74,089.31-29,814.50

Finding the Fourth Proportional to 53,687.81, 74,089.31 and 29,814.50

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Solution

The fourth proportional to 53,687.81, 74,089.31 and 29,814.50 is: 41,144.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,687.81 : 74,089.31 = 29,814.50 : x
  2. Step 2: Convert to fraction form
    53,687.81/74,089.31 = 29,814.50/x
  3. Step 3: Cross multiply
    53,687.81x = 74,089.31 × 29,814.50
  4. Step 4: Simplify right side
    53,687.81x = 2,208,935,213.48
  5. Step 5: Solve for x
    x = 2,208,935,213.48/53,687.81
  6. Step 6: Final answer
    x = 41,144.08

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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.