Home / 53,987.84-74,504.79-30,113.99

Finding the Fourth Proportional to 53,987.84, 74,504.79 and 30,113.99

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Solution

The fourth proportional to 53,987.84, 74,504.79 and 30,113.99 is: 41,558.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,987.84 : 74,504.79 = 30,113.99 : x
  2. Step 2: Convert to fraction form
    53,987.84/74,504.79 = 30,113.99/x
  3. Step 3: Cross multiply
    53,987.84x = 74,504.79 × 30,113.99
  4. Step 4: Simplify right side
    53,987.84x = 2,243,636,687.27
  5. Step 5: Solve for x
    x = 2,243,636,687.27/53,987.84
  6. Step 6: Final answer
    x = 41,558.19

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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.