Home / 70,364.08-97,107.98-40,142.44

Finding the Fourth Proportional to 70,364.08, 97,107.98 and 40,142.44

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Solution

The fourth proportional to 70,364.08, 97,107.98 and 40,142.44 is: 55,399.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,364.08 : 97,107.98 = 40,142.44 : x
  2. Step 2: Convert to fraction form
    70,364.08/97,107.98 = 40,142.44/x
  3. Step 3: Cross multiply
    70,364.08x = 97,107.98 × 40,142.44
  4. Step 4: Simplify right side
    70,364.08x = 3,898,151,260.67
  5. Step 5: Solve for x
    x = 3,898,151,260.67/70,364.08
  6. Step 6: Final answer
    x = 55,399.73

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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.