Home / 86,745.23-130,117.89-24,415.73

Finding the Fourth Proportional to 86,745.23, 130,117.89 and 24,415.73

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Solution

The fourth proportional to 86,745.23, 130,117.89 and 24,415.73 is: 36,623.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,745.23 : 130,117.89 = 24,415.73 : x
  2. Step 2: Convert to fraction form
    86,745.23/130,117.89 = 24,415.73/x
  3. Step 3: Cross multiply
    86,745.23x = 130,117.89 × 24,415.73
  4. Step 4: Simplify right side
    86,745.23x = 3,176,923,270.41
  5. Step 5: Solve for x
    x = 3,176,923,270.41/86,745.23
  6. Step 6: Final answer
    x = 36,623.61

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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.