Home / 53,988.75-74,504.54-30,116.95

Finding the Fourth Proportional to 53,988.75, 74,504.54 and 30,116.95

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Solution

The fourth proportional to 53,988.75, 74,504.54 and 30,116.95 is: 41,561.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,988.75 : 74,504.54 = 30,116.95 : x
  2. Step 2: Convert to fraction form
    53,988.75/74,504.54 = 30,116.95/x
  3. Step 3: Cross multiply
    53,988.75x = 74,504.54 × 30,116.95
  4. Step 4: Simplify right side
    53,988.75x = 2,243,849,394.98
  5. Step 5: Solve for x
    x = 2,243,849,394.98/53,988.75
  6. Step 6: Final answer
    x = 41,561.43

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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.