Home / 68,655.12-102,851.28-46,358.52

Finding the Fourth Proportional to 68,655.12, 102,851.28 and 46,358.52

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Solution

The fourth proportional to 68,655.12, 102,851.28 and 46,358.52 is: 69,449.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,655.12 : 102,851.28 = 46,358.52 : x
  2. Step 2: Convert to fraction form
    68,655.12/102,851.28 = 46,358.52/x
  3. Step 3: Cross multiply
    68,655.12x = 102,851.28 × 46,358.52
  4. Step 4: Simplify right side
    68,655.12x = 4,768,033,120.91
  5. Step 5: Solve for x
    x = 4,768,033,120.91/68,655.12
  6. Step 6: Final answer
    x = 69,449.05

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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.