Home / 70,322.85-97,039.67-40,107.62

Finding the Fourth Proportional to 70,322.85, 97,039.67 and 40,107.62

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Solution

The fourth proportional to 70,322.85, 97,039.67 and 40,107.62 is: 55,345.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,322.85 : 97,039.67 = 40,107.62 : x
  2. Step 2: Convert to fraction form
    70,322.85/97,039.67 = 40,107.62/x
  3. Step 3: Cross multiply
    70,322.85x = 97,039.67 × 40,107.62
  4. Step 4: Simplify right side
    70,322.85x = 3,892,029,523.55
  5. Step 5: Solve for x
    x = 3,892,029,523.55/70,322.85
  6. Step 6: Final answer
    x = 55,345.16

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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.