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Finding the Fourth Proportional to 86,636.63, 119,558.90 and 46,892.63

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Solution

The fourth proportional to 86,636.63, 119,558.90 and 46,892.63 is: 64,712.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,636.63 : 119,558.90 = 46,892.63 : x
  2. Step 2: Convert to fraction form
    86,636.63/119,558.90 = 46,892.63/x
  3. Step 3: Cross multiply
    86,636.63x = 119,558.90 × 46,892.63
  4. Step 4: Simplify right side
    86,636.63x = 5,606,431,260.91
  5. Step 5: Solve for x
    x = 5,606,431,260.91/86,636.63
  6. Step 6: Final answer
    x = 64,712.02

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1.5x scale

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.