Home / 112,307.46-154,984.83-61,321.23

Finding the Fourth Proportional to 112,307.46, 154,984.83 and 61,321.23

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Solution

The fourth proportional to 112,307.46, 154,984.83 and 61,321.23 is: 84,623.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,307.46 : 154,984.83 = 61,321.23 : x
  2. Step 2: Convert to fraction form
    112,307.46/154,984.83 = 61,321.23/x
  3. Step 3: Cross multiply
    112,307.46x = 154,984.83 × 61,321.23
  4. Step 4: Simplify right side
    112,307.46x = 9,503,860,406.94
  5. Step 5: Solve for x
    x = 9,503,860,406.94/112,307.46
  6. Step 6: Final answer
    x = 84,623.59

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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.