Home / 88,945.85-122,731.87-50,708.72

Finding the Fourth Proportional to 88,945.85, 122,731.87 and 50,708.72

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Solution

The fourth proportional to 88,945.85, 122,731.87 and 50,708.72 is: 69,970.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,945.85 : 122,731.87 = 50,708.72 : x
  2. Step 2: Convert to fraction form
    88,945.85/122,731.87 = 50,708.72/x
  3. Step 3: Cross multiply
    88,945.85x = 122,731.87 × 50,708.72
  4. Step 4: Simplify right side
    88,945.85x = 6,223,575,290.48
  5. Step 5: Solve for x
    x = 6,223,575,290.48/88,945.85
  6. Step 6: Final answer
    x = 69,970.39

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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.