Home / 51,433.18-77,149.23-39,029.39

Finding the Fourth Proportional to 51,433.18, 77,149.23 and 39,029.39

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Solution

The fourth proportional to 51,433.18, 77,149.23 and 39,029.39 is: 58,543.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,433.18 : 77,149.23 = 39,029.39 : x
  2. Step 2: Convert to fraction form
    51,433.18/77,149.23 = 39,029.39/x
  3. Step 3: Cross multiply
    51,433.18x = 77,149.23 × 39,029.39
  4. Step 4: Simplify right side
    51,433.18x = 3,011,087,143.07
  5. Step 5: Solve for x
    x = 3,011,087,143.07/51,433.18
  6. Step 6: Final answer
    x = 58,543.67

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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.