Home / 83,907.95-125,811.66-56,923.43

Finding the Fourth Proportional to 83,907.95, 125,811.66 and 56,923.43

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Solution

The fourth proportional to 83,907.95, 125,811.66 and 56,923.43 is: 85,351.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,907.95 : 125,811.66 = 56,923.43 : x
  2. Step 2: Convert to fraction form
    83,907.95/125,811.66 = 56,923.43/x
  3. Step 3: Cross multiply
    83,907.95x = 125,811.66 × 56,923.43
  4. Step 4: Simplify right side
    83,907.95x = 7,161,631,221.19
  5. Step 5: Solve for x
    x = 7,161,631,221.19/83,907.95
  6. Step 6: Final answer
    x = 85,351.05

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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.