Home / 68,209.21-94,143.23-45,840.25

Finding the Fourth Proportional to 68,209.21, 94,143.23 and 45,840.25

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Solution

The fourth proportional to 68,209.21, 94,143.23 and 45,840.25 is: 63,269.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,209.21 : 94,143.23 = 45,840.25 : x
  2. Step 2: Convert to fraction form
    68,209.21/94,143.23 = 45,840.25/x
  3. Step 3: Cross multiply
    68,209.21x = 94,143.23 × 45,840.25
  4. Step 4: Simplify right side
    68,209.21x = 4,315,549,199.01
  5. Step 5: Solve for x
    x = 4,315,549,199.01/68,209.21
  6. Step 6: Final answer
    x = 63,269.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.