Home / 80,038.32-120,064.29-23,874.81

Finding the Fourth Proportional to 80,038.32, 120,064.29 and 23,874.81

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Solution

The fourth proportional to 80,038.32, 120,064.29 and 23,874.81 is: 35,814.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,038.32 : 120,064.29 = 23,874.81 : x
  2. Step 2: Convert to fraction form
    80,038.32/120,064.29 = 23,874.81/x
  3. Step 3: Cross multiply
    80,038.32x = 120,064.29 × 23,874.81
  4. Step 4: Simplify right side
    80,038.32x = 2,866,512,111.53
  5. Step 5: Solve for x
    x = 2,866,512,111.53/80,038.32
  6. Step 6: Final answer
    x = 35,814.25

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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.