Home / 81,861.28-112,967.44-46,051.28

Finding the Fourth Proportional to 81,861.28, 112,967.44 and 46,051.28

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Solution

The fourth proportional to 81,861.28, 112,967.44 and 46,051.28 is: 63,550.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,861.28 : 112,967.44 = 46,051.28 : x
  2. Step 2: Convert to fraction form
    81,861.28/112,967.44 = 46,051.28/x
  3. Step 3: Cross multiply
    81,861.28x = 112,967.44 × 46,051.28
  4. Step 4: Simplify right side
    81,861.28x = 5,202,295,210.32
  5. Step 5: Solve for x
    x = 5,202,295,210.32/81,861.28
  6. Step 6: Final answer
    x = 63,550.13

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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.