Finding the Fourth Proportional to 83,559.33, 115,317.99 and 47,748.60
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Solution
The fourth proportional to 83,559.33, 115,317.99 and 47,748.60 is: 65,896.56
Step by Step Solution
- Step 1: Write the proportion equation
83,559.33 : 115,317.99 = 47,748.60 : x - Step 2: Convert to fraction form
83,559.33/115,317.99 = 47,748.60/x - Step 3: Cross multiply
83,559.33x = 115,317.99 × 47,748.60 - Step 4: Simplify right side
83,559.33x = 5,506,272,577.31 - Step 5: Solve for x
x = 5,506,272,577.31/83,559.33 - Step 6: Final answer
x = 65,896.56
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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.