Home / 86,063.04-118,764.64-47,821.61

Finding the Fourth Proportional to 86,063.04, 118,764.64 and 47,821.61

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Solution

The fourth proportional to 86,063.04, 118,764.64 and 47,821.61 is: 65,992.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,063.04 : 118,764.64 = 47,821.61 : x
  2. Step 2: Convert to fraction form
    86,063.04/118,764.64 = 47,821.61/x
  3. Step 3: Cross multiply
    86,063.04x = 118,764.64 × 47,821.61
  4. Step 4: Simplify right side
    86,063.04x = 5,679,515,462.94
  5. Step 5: Solve for x
    x = 5,679,515,462.94/86,063.04
  6. Step 6: Final answer
    x = 65,992.50

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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.