Home / 68,298.56-94,254.88-40,000.32

Finding the Fourth Proportional to 68,298.56, 94,254.88 and 40,000.32

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Solution

The fourth proportional to 68,298.56, 94,254.88 and 40,000.32 is: 55,202.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,298.56 : 94,254.88 = 40,000.32 : x
  2. Step 2: Convert to fraction form
    68,298.56/94,254.88 = 40,000.32/x
  3. Step 3: Cross multiply
    68,298.56x = 94,254.88 × 40,000.32
  4. Step 4: Simplify right side
    68,298.56x = 3,770,225,361.56
  5. Step 5: Solve for x
    x = 3,770,225,361.56/68,298.56
  6. Step 6: Final answer
    x = 55,202.12

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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.