Home / 70,517.08-97,322.18-40,303.68

Finding the Fourth Proportional to 70,517.08, 97,322.18 and 40,303.68

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Solution

The fourth proportional to 70,517.08, 97,322.18 and 40,303.68 is: 55,623.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,517.08 : 97,322.18 = 40,303.68 : x
  2. Step 2: Convert to fraction form
    70,517.08/97,322.18 = 40,303.68/x
  3. Step 3: Cross multiply
    70,517.08x = 97,322.18 × 40,303.68
  4. Step 4: Simplify right side
    70,517.08x = 3,922,441,773.21
  5. Step 5: Solve for x
    x = 3,922,441,773.21/70,517.08
  6. Step 6: Final answer
    x = 55,623.99

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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.