Home / 88,617.05-122,309.83-50,379.18

Finding the Fourth Proportional to 88,617.05, 122,309.83 and 50,379.18

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Solution

The fourth proportional to 88,617.05, 122,309.83 and 50,379.18 is: 69,533.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,617.05 : 122,309.83 = 50,379.18 : x
  2. Step 2: Convert to fraction form
    88,617.05/122,309.83 = 50,379.18/x
  3. Step 3: Cross multiply
    88,617.05x = 122,309.83 × 50,379.18
  4. Step 4: Simplify right side
    88,617.05x = 6,161,868,941.34
  5. Step 5: Solve for x
    x = 6,161,868,941.34/88,617.05
  6. Step 6: Final answer
    x = 69,533.67

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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.