Home / 58,611.12-87,894.24-21,161.04

Finding the Fourth Proportional to 58,611.12, 87,894.24 and 21,161.04

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Solution

The fourth proportional to 58,611.12, 87,894.24 and 21,161.04 is: 31,733.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,611.12 : 87,894.24 = 21,161.04 : x
  2. Step 2: Convert to fraction form
    58,611.12/87,894.24 = 21,161.04/x
  3. Step 3: Cross multiply
    58,611.12x = 87,894.24 × 21,161.04
  4. Step 4: Simplify right side
    58,611.12x = 1,859,933,528.41
  5. Step 5: Solve for x
    x = 1,859,933,528.41/58,611.12
  6. Step 6: Final answer
    x = 31,733.46

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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.