Home / 77,999.36-116,769.40-48,321.77

Finding the Fourth Proportional to 77,999.36, 116,769.40 and 48,321.77

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Solution

The fourth proportional to 77,999.36, 116,769.40 and 48,321.77 is: 72,340.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,999.36 : 116,769.40 = 48,321.77 : x
  2. Step 2: Convert to fraction form
    77,999.36/116,769.40 = 48,321.77/x
  3. Step 3: Cross multiply
    77,999.36x = 116,769.40 × 48,321.77
  4. Step 4: Simplify right side
    77,999.36x = 5,642,503,385.19
  5. Step 5: Solve for x
    x = 5,642,503,385.19/77,999.36
  6. Step 6: Final answer
    x = 72,340.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.