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Finding the Fourth Proportional to 76,313.76, 114,564.06 and 73,303.67

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Solution

The fourth proportional to 76,313.76, 114,564.06 and 73,303.67 is: 110,045.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,313.76 : 114,564.06 = 73,303.67 : x
  2. Step 2: Convert to fraction form
    76,313.76/114,564.06 = 73,303.67/x
  3. Step 3: Cross multiply
    76,313.76x = 114,564.06 × 73,303.67
  4. Step 4: Simplify right side
    76,313.76x = 8,397,965,475.28
  5. Step 5: Solve for x
    x = 8,397,965,475.28/76,313.76
  6. Step 6: Final answer
    x = 110,045.23

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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.