Home / 53,734.59-74,153.07-31,072.95

Finding the Fourth Proportional to 53,734.59, 74,153.07 and 31,072.95

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Solution

The fourth proportional to 53,734.59, 74,153.07 and 31,072.95 is: 42,880.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,734.59 : 74,153.07 = 31,072.95 : x
  2. Step 2: Convert to fraction form
    53,734.59/74,153.07 = 31,072.95/x
  3. Step 3: Cross multiply
    53,734.59x = 74,153.07 × 31,072.95
  4. Step 4: Simplify right side
    53,734.59x = 2,304,154,636.46
  5. Step 5: Solve for x
    x = 2,304,154,636.46/53,734.59
  6. Step 6: Final answer
    x = 42,880.29

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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.