Home / 84,303.21-126,517.07-39,929.94

Finding the Fourth Proportional to 84,303.21, 126,517.07 and 39,929.94

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Solution

The fourth proportional to 84,303.21, 126,517.07 and 39,929.94 is: 59,924.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,303.21 : 126,517.07 = 39,929.94 : x
  2. Step 2: Convert to fraction form
    84,303.21/126,517.07 = 39,929.94/x
  3. Step 3: Cross multiply
    84,303.21x = 126,517.07 × 39,929.94
  4. Step 4: Simplify right side
    84,303.21x = 5,051,818,814.43
  5. Step 5: Solve for x
    x = 5,051,818,814.43/84,303.21
  6. Step 6: Final answer
    x = 59,924.39

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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.