Home / 78,566.66-108,433.67-46,290.98

Finding the Fourth Proportional to 78,566.66, 108,433.67 and 46,290.98

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Solution

The fourth proportional to 78,566.66, 108,433.67 and 46,290.98 is: 63,888.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,566.66 : 108,433.67 = 46,290.98 : x
  2. Step 2: Convert to fraction form
    78,566.66/108,433.67 = 46,290.98/x
  3. Step 3: Cross multiply
    78,566.66x = 108,433.67 × 46,290.98
  4. Step 4: Simplify right side
    78,566.66x = 5,019,500,075.67
  5. Step 5: Solve for x
    x = 5,019,500,075.67/78,566.66
  6. Step 6: Final answer
    x = 63,888.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.