Home / 70,285.08-96,986.52-40,068

Finding the Fourth Proportional to 70,285.08, 96,986.52 and 40,068

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Solution

The fourth proportional to 70,285.08, 96,986.52 and 40,068 is: 55,289.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,285.08 : 96,986.52 = 40,068 : x
  2. Step 2: Convert to fraction form
    70,285.08/96,986.52 = 40,068/x
  3. Step 3: Cross multiply
    70,285.08x = 96,986.52 × 40,068
  4. Step 4: Simplify right side
    70,285.08x = 3,886,055,883.36
  5. Step 5: Solve for x
    x = 3,886,055,883.36/70,285.08
  6. Step 6: Final answer
    x = 55,289.91

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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.