Home / 70,215.52-96,906.48-40,011.70

Finding the Fourth Proportional to 70,215.52, 96,906.48 and 40,011.70

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Solution

The fourth proportional to 70,215.52, 96,906.48 and 40,011.70 is: 55,221.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,215.52 : 96,906.48 = 40,011.70 : x
  2. Step 2: Convert to fraction form
    70,215.52/96,906.48 = 40,011.70/x
  3. Step 3: Cross multiply
    70,215.52x = 96,906.48 × 40,011.70
  4. Step 4: Simplify right side
    70,215.52x = 3,877,393,005.82
  5. Step 5: Solve for x
    x = 3,877,393,005.82/70,215.52
  6. Step 6: Final answer
    x = 55,221.31

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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.