Home / 80,038.77-120,064.14-23,874.45

Finding the Fourth Proportional to 80,038.77, 120,064.14 and 23,874.45

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Solution

The fourth proportional to 80,038.77, 120,064.14 and 23,874.45 is: 35,813.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,038.77 : 120,064.14 = 23,874.45 : x
  2. Step 2: Convert to fraction form
    80,038.77/120,064.14 = 23,874.45/x
  3. Step 3: Cross multiply
    80,038.77x = 120,064.14 × 23,874.45
  4. Step 4: Simplify right side
    80,038.77x = 2,866,465,307.22
  5. Step 5: Solve for x
    x = 2,866,465,307.22/80,038.77
  6. Step 6: Final answer
    x = 35,813.46

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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.