Home / 53,918.84-74,408.29-31,271.25

Finding the Fourth Proportional to 53,918.84, 74,408.29 and 31,271.25

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Solution

The fourth proportional to 53,918.84, 74,408.29 and 31,271.25 is: 43,154.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,918.84 : 74,408.29 = 31,271.25 : x
  2. Step 2: Convert to fraction form
    53,918.84/74,408.29 = 31,271.25/x
  3. Step 3: Cross multiply
    53,918.84x = 74,408.29 × 31,271.25
  4. Step 4: Simplify right side
    53,918.84x = 2,326,840,160.48
  5. Step 5: Solve for x
    x = 2,326,840,160.48/53,918.84
  6. Step 6: Final answer
    x = 43,154.50

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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.