Finding the Fourth Proportional to 88,090.52, 121,564.99 and 47,804.28
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Solution
The fourth proportional to 88,090.52, 121,564.99 and 47,804.28 is: 65,969.95
Step by Step Solution
- Step 1: Write the proportion equation
88,090.52 : 121,564.99 = 47,804.28 : x - Step 2: Convert to fraction form
88,090.52/121,564.99 = 47,804.28/x - Step 3: Cross multiply
88,090.52x = 121,564.99 × 47,804.28 - Step 4: Simplify right side
88,090.52x = 5,811,326,486.37 - Step 5: Solve for x
x = 5,811,326,486.37/88,090.52 - Step 6: Final answer
x = 65,969.95
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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.