Home / 70,611.16-105,961.40-39,466.84

Finding the Fourth Proportional to 70,611.16, 105,961.40 and 39,466.84

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Solution

The fourth proportional to 70,611.16, 105,961.40 and 39,466.84 is: 59,225.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,611.16 : 105,961.40 = 39,466.84 : x
  2. Step 2: Convert to fraction form
    70,611.16/105,961.40 = 39,466.84/x
  3. Step 3: Cross multiply
    70,611.16x = 105,961.40 × 39,466.84
  4. Step 4: Simplify right side
    70,611.16x = 4,181,961,619.98
  5. Step 5: Solve for x
    x = 4,181,961,619.98/70,611.16
  6. Step 6: Final answer
    x = 59,225.22

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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.