Home / 68,328.78-94,293.85-38,113.32

Finding the Fourth Proportional to 68,328.78, 94,293.85 and 38,113.32

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Solution

The fourth proportional to 68,328.78, 94,293.85 and 38,113.32 is: 52,596.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,328.78 : 94,293.85 = 38,113.32 : x
  2. Step 2: Convert to fraction form
    68,328.78/94,293.85 = 38,113.32/x
  3. Step 3: Cross multiply
    68,328.78x = 94,293.85 × 38,113.32
  4. Step 4: Simplify right side
    68,328.78x = 3,593,851,679.08
  5. Step 5: Solve for x
    x = 3,593,851,679.08/68,328.78
  6. Step 6: Final answer
    x = 52,596.46

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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.