Home / 86,704.04-130,062.44-36,778.48

Finding the Fourth Proportional to 86,704.04, 130,062.44 and 36,778.48

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Solution

The fourth proportional to 86,704.04, 130,062.44 and 36,778.48 is: 55,170.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,704.04 : 130,062.44 = 36,778.48 : x
  2. Step 2: Convert to fraction form
    86,704.04/130,062.44 = 36,778.48/x
  3. Step 3: Cross multiply
    86,704.04x = 130,062.44 × 36,778.48
  4. Step 4: Simplify right side
    86,704.04x = 4,783,498,848.29
  5. Step 5: Solve for x
    x = 4,783,498,848.29/86,704.04
  6. Step 6: Final answer
    x = 55,170.43

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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.