Home / 74,618.12-102,974.66-41,084.20

Finding the Fourth Proportional to 74,618.12, 102,974.66 and 41,084.20

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Solution

The fourth proportional to 74,618.12, 102,974.66 and 41,084.20 is: 56,697.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,618.12 : 102,974.66 = 41,084.20 : x
  2. Step 2: Convert to fraction form
    74,618.12/102,974.66 = 41,084.20/x
  3. Step 3: Cross multiply
    74,618.12x = 102,974.66 × 41,084.20
  4. Step 4: Simplify right side
    74,618.12x = 4,230,631,526.37
  5. Step 5: Solve for x
    x = 4,230,631,526.37/74,618.12
  6. Step 6: Final answer
    x = 56,697.11

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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.