Home / 76,701.75-105,858.14-43,174.23

Finding the Fourth Proportional to 76,701.75, 105,858.14 and 43,174.23

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Solution

The fourth proportional to 76,701.75, 105,858.14 and 43,174.23 is: 59,585.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,701.75 : 105,858.14 = 43,174.23 : x
  2. Step 2: Convert to fraction form
    76,701.75/105,858.14 = 43,174.23/x
  3. Step 3: Cross multiply
    76,701.75x = 105,858.14 × 43,174.23
  4. Step 4: Simplify right side
    76,701.75x = 4,570,343,467.86
  5. Step 5: Solve for x
    x = 4,570,343,467.86/76,701.75
  6. Step 6: Final answer
    x = 59,585.91

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1.5x scale

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.