Home / 86,406.96-129,611.34-24,077.46

Finding the Fourth Proportional to 86,406.96, 129,611.34 and 24,077.46

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Solution

The fourth proportional to 86,406.96, 129,611.34 and 24,077.46 is: 36,116.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,406.96 : 129,611.34 = 24,077.46 : x
  2. Step 2: Convert to fraction form
    86,406.96/129,611.34 = 24,077.46/x
  3. Step 3: Cross multiply
    86,406.96x = 129,611.34 × 24,077.46
  4. Step 4: Simplify right side
    86,406.96x = 3,120,711,854.40
  5. Step 5: Solve for x
    x = 3,120,711,854.40/86,406.96
  6. Step 6: Final answer
    x = 36,116.44

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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.