Home / 77,087.32-115,629.36-35,534.32

Finding the Fourth Proportional to 77,087.32, 115,629.36 and 35,534.32

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Solution

The fourth proportional to 77,087.32, 115,629.36 and 35,534.32 is: 53,300.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,087.32 : 115,629.36 = 35,534.32 : x
  2. Step 2: Convert to fraction form
    77,087.32/115,629.36 = 35,534.32/x
  3. Step 3: Cross multiply
    77,087.32x = 115,629.36 × 35,534.32
  4. Step 4: Simplify right side
    77,087.32x = 4,108,810,679.64
  5. Step 5: Solve for x
    x = 4,108,810,679.64/77,087.32
  6. Step 6: Final answer
    x = 53,300.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.