Home / 76,421.98-114,634.34-26,503.84

Finding the Fourth Proportional to 76,421.98, 114,634.34 and 26,503.84

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Solution

The fourth proportional to 76,421.98, 114,634.34 and 26,503.84 is: 39,756.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,421.98 : 114,634.34 = 26,503.84 : x
  2. Step 2: Convert to fraction form
    76,421.98/114,634.34 = 26,503.84/x
  3. Step 3: Cross multiply
    76,421.98x = 114,634.34 × 26,503.84
  4. Step 4: Simplify right side
    76,421.98x = 3,038,250,205.87
  5. Step 5: Solve for x
    x = 3,038,250,205.87/76,421.98
  6. Step 6: Final answer
    x = 39,756.24

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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.