Home / 78,450.12-108,263.79-46,651.14

Finding the Fourth Proportional to 78,450.12, 108,263.79 and 46,651.14

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Solution

The fourth proportional to 78,450.12, 108,263.79 and 46,651.14 is: 64,380.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,450.12 : 108,263.79 = 46,651.14 : x
  2. Step 2: Convert to fraction form
    78,450.12/108,263.79 = 46,651.14/x
  3. Step 3: Cross multiply
    78,450.12x = 108,263.79 × 46,651.14
  4. Step 4: Simplify right side
    78,450.12x = 5,050,629,224.22
  5. Step 5: Solve for x
    x = 5,050,629,224.22/78,450.12
  6. Step 6: Final answer
    x = 64,380.13

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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.