Home / 70,240.72-96,931.26-40,027.84

Finding the Fourth Proportional to 70,240.72, 96,931.26 and 40,027.84

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Solution

The fourth proportional to 70,240.72, 96,931.26 and 40,027.84 is: 55,237.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,240.72 : 96,931.26 = 40,027.84 : x
  2. Step 2: Convert to fraction form
    70,240.72/96,931.26 = 40,027.84/x
  3. Step 3: Cross multiply
    70,240.72x = 96,931.26 × 40,027.84
  4. Step 4: Simplify right side
    70,240.72x = 3,879,948,966.28
  5. Step 5: Solve for x
    x = 3,879,948,966.28/70,240.72
  6. Step 6: Final answer
    x = 55,237.89

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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.