Finding the Fourth Proportional to 104,023.36, 143,555.92 and 58,698.70
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Solution
The fourth proportional to 104,023.36, 143,555.92 and 58,698.70 is: 81,006.28
Step by Step Solution
- Step 1: Write the proportion equation
104,023.36 : 143,555.92 = 58,698.70 : x - Step 2: Convert to fraction form
104,023.36/143,555.92 = 58,698.70/x - Step 3: Cross multiply
104,023.36x = 143,555.92 × 58,698.70 - Step 4: Simplify right side
104,023.36x = 8,426,545,881.30 - Step 5: Solve for x
x = 8,426,545,881.30/104,023.36 - Step 6: Final answer
x = 81,006.28
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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.