Home / 86,869.05-130,326.05-24,539.55

Finding the Fourth Proportional to 86,869.05, 130,326.05 and 24,539.55

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Solution

The fourth proportional to 86,869.05, 130,326.05 and 24,539.55 is: 36,815.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,869.05 : 130,326.05 = 24,539.55 : x
  2. Step 2: Convert to fraction form
    86,869.05/130,326.05 = 24,539.55/x
  3. Step 3: Cross multiply
    86,869.05x = 130,326.05 × 24,539.55
  4. Step 4: Simplify right side
    86,869.05x = 3,198,142,620.28
  5. Step 5: Solve for x
    x = 3,198,142,620.28/86,869.05
  6. Step 6: Final answer
    x = 36,815.67

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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.