Home / 86,211.63-118,932.98-62,300.43

Finding the Fourth Proportional to 86,211.63, 118,932.98 and 62,300.43

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Solution

The fourth proportional to 86,211.63, 118,932.98 and 62,300.43 is: 85,946.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,211.63 : 118,932.98 = 62,300.43 : x
  2. Step 2: Convert to fraction form
    86,211.63/118,932.98 = 62,300.43/x
  3. Step 3: Cross multiply
    86,211.63x = 118,932.98 × 62,300.43
  4. Step 4: Simplify right side
    86,211.63x = 7,409,575,483.68
  5. Step 5: Solve for x
    x = 7,409,575,483.68/86,211.63
  6. Step 6: Final answer
    x = 85,946.36

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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.