Home / 77,055.12-115,600.41-32,683.59

Finding the Fourth Proportional to 77,055.12, 115,600.41 and 32,683.59

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Solution

The fourth proportional to 77,055.12, 115,600.41 and 32,683.59 is: 49,032.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,055.12 : 115,600.41 = 32,683.59 : x
  2. Step 2: Convert to fraction form
    77,055.12/115,600.41 = 32,683.59/x
  3. Step 3: Cross multiply
    77,055.12x = 115,600.41 × 32,683.59
  4. Step 4: Simplify right side
    77,055.12x = 3,778,236,404.27
  5. Step 5: Solve for x
    x = 3,778,236,404.27/77,055.12
  6. Step 6: Final answer
    x = 49,032.91

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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.