Home / 68,354.25-94,332.51-40,069.05

Finding the Fourth Proportional to 68,354.25, 94,332.51 and 40,069.05

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Solution

The fourth proportional to 68,354.25, 94,332.51 and 40,069.05 is: 55,297.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,354.25 : 94,332.51 = 40,069.05 : x
  2. Step 2: Convert to fraction form
    68,354.25/94,332.51 = 40,069.05/x
  3. Step 3: Cross multiply
    68,354.25x = 94,332.51 × 40,069.05
  4. Step 4: Simplify right side
    68,354.25x = 3,779,814,059.82
  5. Step 5: Solve for x
    x = 3,779,814,059.82/68,354.25
  6. Step 6: Final answer
    x = 55,297.43

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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.