Home / 92,860.30-139,271.94-45,455.02

Finding the Fourth Proportional to 92,860.30, 139,271.94 and 45,455.02

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Solution

The fourth proportional to 92,860.30, 139,271.94 and 45,455.02 is: 68,173.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,860.30 : 139,271.94 = 45,455.02 : x
  2. Step 2: Convert to fraction form
    92,860.30/139,271.94 = 45,455.02/x
  3. Step 3: Cross multiply
    92,860.30x = 139,271.94 × 45,455.02
  4. Step 4: Simplify right side
    92,860.30x = 6,330,608,818.14
  5. Step 5: Solve for x
    x = 6,330,608,818.14/92,860.30
  6. Step 6: Final answer
    x = 68,173.47

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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.