Home / 111,936.04-154,471.56-61,635.04

Finding the Fourth Proportional to 111,936.04, 154,471.56 and 61,635.04

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Solution

The fourth proportional to 111,936.04, 154,471.56 and 61,635.04 is: 85,056.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,936.04 : 154,471.56 = 61,635.04 : x
  2. Step 2: Convert to fraction form
    111,936.04/154,471.56 = 61,635.04/x
  3. Step 3: Cross multiply
    111,936.04x = 154,471.56 × 61,635.04
  4. Step 4: Simplify right side
    111,936.04x = 9,520,860,779.46
  5. Step 5: Solve for x
    x = 9,520,860,779.46/111,936.04
  6. Step 6: Final answer
    x = 85,056.26

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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.