Home / 84,699.07-126,879.20-50,946.45

Finding the Fourth Proportional to 84,699.07, 126,879.20 and 50,946.45

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Solution

The fourth proportional to 84,699.07, 126,879.20 and 50,946.45 is: 76,317.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,699.07 : 126,879.20 = 50,946.45 : x
  2. Step 2: Convert to fraction form
    84,699.07/126,879.20 = 50,946.45/x
  3. Step 3: Cross multiply
    84,699.07x = 126,879.20 × 50,946.45
  4. Step 4: Simplify right side
    84,699.07x = 6,464,044,818.84
  5. Step 5: Solve for x
    x = 6,464,044,818.84/84,699.07
  6. Step 6: Final answer
    x = 76,317.78

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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.