Home / 84,134.95-116,104.38-46,409.20

Finding the Fourth Proportional to 84,134.95, 116,104.38 and 46,409.20

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Solution

The fourth proportional to 84,134.95, 116,104.38 and 46,409.20 is: 64,043.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,134.95 : 116,104.38 = 46,409.20 : x
  2. Step 2: Convert to fraction form
    84,134.95/116,104.38 = 46,409.20/x
  3. Step 3: Cross multiply
    84,134.95x = 116,104.38 × 46,409.20
  4. Step 4: Simplify right side
    84,134.95x = 5,388,311,392.30
  5. Step 5: Solve for x
    x = 5,388,311,392.30/84,134.95
  6. Step 6: Final answer
    x = 64,043.67

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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.