Home / 85,288.01-117,696-47,051.22

Finding the Fourth Proportional to 85,288.01, 117,696 and 47,051.22

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Solution

The fourth proportional to 85,288.01, 117,696 and 47,051.22 is: 64,929.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,288.01 : 117,696 = 47,051.22 : x
  2. Step 2: Convert to fraction form
    85,288.01/117,696 = 47,051.22/x
  3. Step 3: Cross multiply
    85,288.01x = 117,696 × 47,051.22
  4. Step 4: Simplify right side
    85,288.01x = 5,537,740,389.12
  5. Step 5: Solve for x
    x = 5,537,740,389.12/85,288.01
  6. Step 6: Final answer
    x = 64,929.88

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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.