Finding the Fourth Proportional to 88,316.11, 121,875.07 and 48,029.02
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Solution
The fourth proportional to 88,316.11, 121,875.07 and 48,029.02 is: 66,279.41
Step by Step Solution
- Step 1: Write the proportion equation
88,316.11 : 121,875.07 = 48,029.02 : x - Step 2: Convert to fraction form
88,316.11/121,875.07 = 48,029.02/x - Step 3: Cross multiply
88,316.11x = 121,875.07 × 48,029.02 - Step 4: Simplify right side
88,316.11x = 5,853,539,749.77 - Step 5: Solve for x
x = 5,853,539,749.77/88,316.11 - Step 6: Final answer
x = 66,279.41
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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.