Home / 54,084.50-74,657.14-40,694.68

Finding the Fourth Proportional to 54,084.50, 74,657.14 and 40,694.68

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Solution

The fourth proportional to 54,084.50, 74,657.14 and 40,694.68 is: 56,174.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,084.50 : 74,657.14 = 40,694.68 : x
  2. Step 2: Convert to fraction form
    54,084.50/74,657.14 = 40,694.68/x
  3. Step 3: Cross multiply
    54,084.50x = 74,657.14 × 40,694.68
  4. Step 4: Simplify right side
    54,084.50x = 3,038,148,422.02
  5. Step 5: Solve for x
    x = 3,038,148,422.02/54,084.50
  6. Step 6: Final answer
    x = 56,174.11

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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.