Home / 54,422.95-81,556.54-31,000.99

Finding the Fourth Proportional to 54,422.95, 81,556.54 and 31,000.99

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Solution

The fourth proportional to 54,422.95, 81,556.54 and 31,000.99 is: 46,457.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,422.95 : 81,556.54 = 31,000.99 : x
  2. Step 2: Convert to fraction form
    54,422.95/81,556.54 = 31,000.99/x
  3. Step 3: Cross multiply
    54,422.95x = 81,556.54 × 31,000.99
  4. Step 4: Simplify right side
    54,422.95x = 2,528,333,480.97
  5. Step 5: Solve for x
    x = 2,528,333,480.97/54,422.95
  6. Step 6: Final answer
    x = 46,457.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.