Home / 74,645.12-103,005.54-41,111.12

Finding the Fourth Proportional to 74,645.12, 103,005.54 and 41,111.12

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Solution

The fourth proportional to 74,645.12, 103,005.54 and 41,111.12 is: 56,730.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,645.12 : 103,005.54 = 41,111.12 : x
  2. Step 2: Convert to fraction form
    74,645.12/103,005.54 = 41,111.12/x
  3. Step 3: Cross multiply
    74,645.12x = 103,005.54 × 41,111.12
  4. Step 4: Simplify right side
    74,645.12x = 4,234,673,115.60
  5. Step 5: Solve for x
    x = 4,234,673,115.60/74,645.12
  6. Step 6: Final answer
    x = 56,730.74

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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.