Home / 83,486.35-125,283.81-36,147.67

Finding the Fourth Proportional to 83,486.35, 125,283.81 and 36,147.67

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Solution

The fourth proportional to 83,486.35, 125,283.81 and 36,147.67 is: 54,245.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,486.35 : 125,283.81 = 36,147.67 : x
  2. Step 2: Convert to fraction form
    83,486.35/125,283.81 = 36,147.67/x
  3. Step 3: Cross multiply
    83,486.35x = 125,283.81 × 36,147.67
  4. Step 4: Simplify right side
    83,486.35x = 4,528,717,642.57
  5. Step 5: Solve for x
    x = 4,528,717,642.57/83,486.35
  6. Step 6: Final answer
    x = 54,245.01

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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.