Finding the Fourth Proportional to 88,038.84, 121,486.38 and 48,294.84
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Solution
The fourth proportional to 88,038.84, 121,486.38 and 48,294.84 is: 66,642.92
Step by Step Solution
- Step 1: Write the proportion equation
88,038.84 : 121,486.38 = 48,294.84 : x - Step 2: Convert to fraction form
88,038.84/121,486.38 = 48,294.84/x - Step 3: Cross multiply
88,038.84x = 121,486.38 × 48,294.84 - Step 4: Simplify right side
88,038.84x = 5,867,165,284.28 - Step 5: Solve for x
x = 5,867,165,284.28/88,038.84 - Step 6: Final answer
x = 66,642.92
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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.