Home / 88,984.88-122,825.40-51,285.68

Finding the Fourth Proportional to 88,984.88, 122,825.40 and 51,285.68

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Solution

The fourth proportional to 88,984.88, 122,825.40 and 51,285.68 is: 70,789.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,984.88 : 122,825.40 = 51,285.68 : x
  2. Step 2: Convert to fraction form
    88,984.88/122,825.40 = 51,285.68/x
  3. Step 3: Cross multiply
    88,984.88x = 122,825.40 × 51,285.68
  4. Step 4: Simplify right side
    88,984.88x = 6,299,184,160.27
  5. Step 5: Solve for x
    x = 6,299,184,160.27/88,984.88
  6. Step 6: Final answer
    x = 70,789.38

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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.