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Finding the Fourth Proportional to 84,899.77, 117,162.74 and 46,663.49

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Solution

The fourth proportional to 84,899.77, 117,162.74 and 46,663.49 is: 64,396.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,899.77 : 117,162.74 = 46,663.49 : x
  2. Step 2: Convert to fraction form
    84,899.77/117,162.74 = 46,663.49/x
  3. Step 3: Cross multiply
    84,899.77x = 117,162.74 × 46,663.49
  4. Step 4: Simplify right side
    84,899.77x = 5,467,222,755.93
  5. Step 5: Solve for x
    x = 5,467,222,755.93/84,899.77
  6. Step 6: Final answer
    x = 64,396.20

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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.