Home / 86,736.24-130,113-23,557.44

Finding the Fourth Proportional to 86,736.24, 130,113 and 23,557.44

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Solution

The fourth proportional to 86,736.24, 130,113 and 23,557.44 is: 35,338.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,736.24 : 130,113 = 23,557.44 : x
  2. Step 2: Convert to fraction form
    86,736.24/130,113 = 23,557.44/x
  3. Step 3: Cross multiply
    86,736.24x = 130,113 × 23,557.44
  4. Step 4: Simplify right side
    86,736.24x = 3,065,129,190.72
  5. Step 5: Solve for x
    x = 3,065,129,190.72/86,736.24
  6. Step 6: Final answer
    x = 35,338.51

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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.