Home / 74,747.03-103,125.02-47,904.34

Finding the Fourth Proportional to 74,747.03, 103,125.02 and 47,904.34

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Solution

The fourth proportional to 74,747.03, 103,125.02 and 47,904.34 is: 66,091.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,747.03 : 103,125.02 = 47,904.34 : x
  2. Step 2: Convert to fraction form
    74,747.03/103,125.02 = 47,904.34/x
  3. Step 3: Cross multiply
    74,747.03x = 103,125.02 × 47,904.34
  4. Step 4: Simplify right side
    74,747.03x = 4,940,135,830.77
  5. Step 5: Solve for x
    x = 4,940,135,830.77/74,747.03
  6. Step 6: Final answer
    x = 66,091.40

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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.