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Finding the Fourth Proportional to 73,850.13, 110,811.34 and 45,762.67

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Solution

The fourth proportional to 73,850.13, 110,811.34 and 45,762.67 is: 68,666.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,850.13 : 110,811.34 = 45,762.67 : x
  2. Step 2: Convert to fraction form
    73,850.13/110,811.34 = 45,762.67/x
  3. Step 3: Cross multiply
    73,850.13x = 110,811.34 × 45,762.67
  4. Step 4: Simplify right side
    73,850.13x = 5,071,022,980.40
  5. Step 5: Solve for x
    x = 5,071,022,980.40/73,850.13
  6. Step 6: Final answer
    x = 68,666.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.