Home / 120,683.36-181,083.84-49,627.35

Finding the Fourth Proportional to 120,683.36, 181,083.84 and 49,627.35

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Solution

The fourth proportional to 120,683.36, 181,083.84 and 49,627.35 is: 74,465.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,683.36 : 181,083.84 = 49,627.35 : x
  2. Step 2: Convert to fraction form
    120,683.36/181,083.84 = 49,627.35/x
  3. Step 3: Cross multiply
    120,683.36x = 181,083.84 × 49,627.35
  4. Step 4: Simplify right side
    120,683.36x = 8,986,711,017.81
  5. Step 5: Solve for x
    x = 8,986,711,017.81/120,683.36
  6. Step 6: Final answer
    x = 74,465.20

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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.