Home / 86,074.08-128,994.36-41,612.28

Finding the Fourth Proportional to 86,074.08, 128,994.36 and 41,612.28

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Solution

The fourth proportional to 86,074.08, 128,994.36 and 41,612.28 is: 62,361.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,074.08 : 128,994.36 = 41,612.28 : x
  2. Step 2: Convert to fraction form
    86,074.08/128,994.36 = 41,612.28/x
  3. Step 3: Cross multiply
    86,074.08x = 128,994.36 × 41,612.28
  4. Step 4: Simplify right side
    86,074.08x = 5,367,749,426.74
  5. Step 5: Solve for x
    x = 5,367,749,426.74/86,074.08
  6. Step 6: Final answer
    x = 62,361.97

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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.