Home / 79,211.32-118,811-23,051.86

Finding the Fourth Proportional to 79,211.32, 118,811 and 23,051.86

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Solution

The fourth proportional to 79,211.32, 118,811 and 23,051.86 is: 34,576.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,211.32 : 118,811 = 23,051.86 : x
  2. Step 2: Convert to fraction form
    79,211.32/118,811 = 23,051.86/x
  3. Step 3: Cross multiply
    79,211.32x = 118,811 × 23,051.86
  4. Step 4: Simplify right side
    79,211.32x = 2,738,814,538.46
  5. Step 5: Solve for x
    x = 2,738,814,538.46/79,211.32
  6. Step 6: Final answer
    x = 34,576.05

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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.