Finding the Fourth Proportional to 88,325.58, 121,888.11 and 48,038.49
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Solution
The fourth proportional to 88,325.58, 121,888.11 and 48,038.49 is: 66,292.47
Step by Step Solution
- Step 1: Write the proportion equation
88,325.58 : 121,888.11 = 48,038.49 : x - Step 2: Convert to fraction form
88,325.58/121,888.11 = 48,038.49/x - Step 3: Cross multiply
88,325.58x = 121,888.11 × 48,038.49 - Step 4: Simplify right side
88,325.58x = 5,855,320,753.35 - Step 5: Solve for x
x = 5,855,320,753.35/88,325.58 - Step 6: Final answer
x = 66,292.47
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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.