Home / 79,813.35-110,155.55-47,999.79

Finding the Fourth Proportional to 79,813.35, 110,155.55 and 47,999.79

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Solution

The fourth proportional to 79,813.35, 110,155.55 and 47,999.79 is: 66,247.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,813.35 : 110,155.55 = 47,999.79 : x
  2. Step 2: Convert to fraction form
    79,813.35/110,155.55 = 47,999.79/x
  3. Step 3: Cross multiply
    79,813.35x = 110,155.55 × 47,999.79
  4. Step 4: Simplify right side
    79,813.35x = 5,287,443,027.34
  5. Step 5: Solve for x
    x = 5,287,443,027.34/79,813.35
  6. Step 6: Final answer
    x = 66,247.60

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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.