Home / 86,840.96-130,323.65-36,956.09

Finding the Fourth Proportional to 86,840.96, 130,323.65 and 36,956.09

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Solution

The fourth proportional to 86,840.96, 130,323.65 and 36,956.09 is: 55,460.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,840.96 : 130,323.65 = 36,956.09 : x
  2. Step 2: Convert to fraction form
    86,840.96/130,323.65 = 36,956.09/x
  3. Step 3: Cross multiply
    86,840.96x = 130,323.65 × 36,956.09
  4. Step 4: Simplify right side
    86,840.96x = 4,816,252,679.56
  5. Step 5: Solve for x
    x = 4,816,252,679.56/86,840.96
  6. Step 6: Final answer
    x = 55,460.61

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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.