Home / 51,352.70-77,029.05-47,075.90

Finding the Fourth Proportional to 51,352.70, 77,029.05 and 47,075.90

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Solution

The fourth proportional to 51,352.70, 77,029.05 and 47,075.90 is: 70,613.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,352.70 : 77,029.05 = 47,075.90 : x
  2. Step 2: Convert to fraction form
    51,352.70/77,029.05 = 47,075.90/x
  3. Step 3: Cross multiply
    51,352.70x = 77,029.05 × 47,075.90
  4. Step 4: Simplify right side
    51,352.70x = 3,626,211,854.90
  5. Step 5: Solve for x
    x = 3,626,211,854.90/51,352.70
  6. Step 6: Final answer
    x = 70,613.85

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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.