Home / 74,642.12-103,001.40-41,108.12

Finding the Fourth Proportional to 74,642.12, 103,001.40 and 41,108.12

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Solution

The fourth proportional to 74,642.12, 103,001.40 and 41,108.12 is: 56,726.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,642.12 : 103,001.40 = 41,108.12 : x
  2. Step 2: Convert to fraction form
    74,642.12/103,001.40 = 41,108.12/x
  3. Step 3: Cross multiply
    74,642.12x = 103,001.40 × 41,108.12
  4. Step 4: Simplify right side
    74,642.12x = 4,234,193,911.37
  5. Step 5: Solve for x
    x = 4,234,193,911.37/74,642.12
  6. Step 6: Final answer
    x = 56,726.60

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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.