Home / 66,110.16-91,267.56-50,969.76

Finding the Fourth Proportional to 66,110.16, 91,267.56 and 50,969.76

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Solution

The fourth proportional to 66,110.16, 91,267.56 and 50,969.76 is: 70,365.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,110.16 : 91,267.56 = 50,969.76 : x
  2. Step 2: Convert to fraction form
    66,110.16/91,267.56 = 50,969.76/x
  3. Step 3: Cross multiply
    66,110.16x = 91,267.56 × 50,969.76
  4. Step 4: Simplify right side
    66,110.16x = 4,651,885,628.99
  5. Step 5: Solve for x
    x = 4,651,885,628.99/66,110.16
  6. Step 6: Final answer
    x = 70,365.67

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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.