Home / 66,706.20-92,054.07-42,841.98

Finding the Fourth Proportional to 66,706.20, 92,054.07 and 42,841.98

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Solution

The fourth proportional to 66,706.20, 92,054.07 and 42,841.98 is: 59,121.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,706.20 : 92,054.07 = 42,841.98 : x
  2. Step 2: Convert to fraction form
    66,706.20/92,054.07 = 42,841.98/x
  3. Step 3: Cross multiply
    66,706.20x = 92,054.07 × 42,841.98
  4. Step 4: Simplify right side
    66,706.20x = 3,943,778,625.86
  5. Step 5: Solve for x
    x = 3,943,778,625.86/66,706.20
  6. Step 6: Final answer
    x = 59,121.62

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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.