Home / 57,690.40-79,611.84-32,539.36

Finding the Fourth Proportional to 57,690.40, 79,611.84 and 32,539.36

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Solution

The fourth proportional to 57,690.40, 79,611.84 and 32,539.36 is: 44,903.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,690.40 : 79,611.84 = 32,539.36 : x
  2. Step 2: Convert to fraction form
    57,690.40/79,611.84 = 32,539.36/x
  3. Step 3: Cross multiply
    57,690.40x = 79,611.84 × 32,539.36
  4. Step 4: Simplify right side
    57,690.40x = 2,590,518,322.02
  5. Step 5: Solve for x
    x = 2,590,518,322.02/57,690.40
  6. Step 6: Final answer
    x = 44,903.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.