Home / 53,821.75-74,274.02-31,465.75

Finding the Fourth Proportional to 53,821.75, 74,274.02 and 31,465.75

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Solution

The fourth proportional to 53,821.75, 74,274.02 and 31,465.75 is: 43,422.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,821.75 : 74,274.02 = 31,465.75 : x
  2. Step 2: Convert to fraction form
    53,821.75/74,274.02 = 31,465.75/x
  3. Step 3: Cross multiply
    53,821.75x = 74,274.02 × 31,465.75
  4. Step 4: Simplify right side
    53,821.75x = 2,337,087,744.82
  5. Step 5: Solve for x
    x = 2,337,087,744.82/53,821.75
  6. Step 6: Final answer
    x = 43,422.74

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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.