Home / 86,072.86-118,772.97-47,829.98

Finding the Fourth Proportional to 86,072.86, 118,772.97 and 47,829.98

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Solution

The fourth proportional to 86,072.86, 118,772.97 and 47,829.98 is: 66,001.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,072.86 : 118,772.97 = 47,829.98 : x
  2. Step 2: Convert to fraction form
    86,072.86/118,772.97 = 47,829.98/x
  3. Step 3: Cross multiply
    86,072.86x = 118,772.97 × 47,829.98
  4. Step 4: Simplify right side
    86,072.86x = 5,680,908,185.78
  5. Step 5: Solve for x
    x = 5,680,908,185.78/86,072.86
  6. Step 6: Final answer
    x = 66,001.16

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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.