Home / 77,634.15-107,144.07-43,182.32

Finding the Fourth Proportional to 77,634.15, 107,144.07 and 43,182.32

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Solution

The fourth proportional to 77,634.15, 107,144.07 and 43,182.32 is: 59,596.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,634.15 : 107,144.07 = 43,182.32 : x
  2. Step 2: Convert to fraction form
    77,634.15/107,144.07 = 43,182.32/x
  3. Step 3: Cross multiply
    77,634.15x = 107,144.07 × 43,182.32
  4. Step 4: Simplify right side
    77,634.15x = 4,626,728,819.19
  5. Step 5: Solve for x
    x = 4,626,728,819.19/77,634.15
  6. Step 6: Final answer
    x = 59,596.57

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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.