Home / 88,710.78-122,416.61-50,466.73

Finding the Fourth Proportional to 88,710.78, 122,416.61 and 50,466.73

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Solution

The fourth proportional to 88,710.78, 122,416.61 and 50,466.73 is: 69,641.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,710.78 : 122,416.61 = 50,466.73 : x
  2. Step 2: Convert to fraction form
    88,710.78/122,416.61 = 50,466.73/x
  3. Step 3: Cross multiply
    88,710.78x = 122,416.61 × 50,466.73
  4. Step 4: Simplify right side
    88,710.78x = 6,177,966,004.39
  5. Step 5: Solve for x
    x = 6,177,966,004.39/88,710.78
  6. Step 6: Final answer
    x = 69,641.66

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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.