Finding the Fourth Proportional to 83,374.09, 125,128.56 and 64,609.63
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Solution
The fourth proportional to 83,374.09, 125,128.56 and 64,609.63 is: 96,966.70
Step by Step Solution
- Step 1: Write the proportion equation
83,374.09 : 125,128.56 = 64,609.63 : x - Step 2: Convert to fraction form
83,374.09/125,128.56 = 64,609.63/x - Step 3: Cross multiply
83,374.09x = 125,128.56 × 64,609.63 - Step 4: Simplify right side
83,374.09x = 8,084,509,964.03 - Step 5: Solve for x
x = 8,084,509,964.03/83,374.09 - Step 6: Final answer
x = 96,966.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.