Home / 74,740.40-103,083.43-47,885.42

Finding the Fourth Proportional to 74,740.40, 103,083.43 and 47,885.42

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Solution

The fourth proportional to 74,740.40, 103,083.43 and 47,885.42 is: 66,044.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,740.40 : 103,083.43 = 47,885.42 : x
  2. Step 2: Convert to fraction form
    74,740.40/103,083.43 = 47,885.42/x
  3. Step 3: Cross multiply
    74,740.40x = 103,083.43 × 47,885.42
  4. Step 4: Simplify right side
    74,740.40x = 4,936,193,220.88
  5. Step 5: Solve for x
    x = 4,936,193,220.88/74,740.40
  6. Step 6: Final answer
    x = 66,044.51

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1.5x scale

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.