Home / 66,918-92,376.18-46,853.55

Finding the Fourth Proportional to 66,918, 92,376.18 and 46,853.55

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Solution

The fourth proportional to 66,918, 92,376.18 and 46,853.55 is: 64,678.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,918 : 92,376.18 = 46,853.55 : x
  2. Step 2: Convert to fraction form
    66,918/92,376.18 = 46,853.55/x
  3. Step 3: Cross multiply
    66,918x = 92,376.18 × 46,853.55
  4. Step 4: Simplify right side
    66,918x = 4,328,151,968.44
  5. Step 5: Solve for x
    x = 4,328,151,968.44/66,918
  6. Step 6: Final answer
    x = 64,678.44

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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.