Finding the Fourth Proportional to 88,435.90, 122,038.36 and 48,148.74
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Solution
The fourth proportional to 88,435.90, 122,038.36 and 48,148.74 is: 66,443.53
Step by Step Solution
- Step 1: Write the proportion equation
88,435.90 : 122,038.36 = 48,148.74 : x - Step 2: Convert to fraction form
88,435.90/122,038.36 = 48,148.74/x - Step 3: Cross multiply
88,435.90x = 122,038.36 × 48,148.74 - Step 4: Simplify right side
88,435.90x = 5,875,993,384.62 - Step 5: Solve for x
x = 5,875,993,384.62/88,435.90 - Step 6: Final answer
x = 66,443.53
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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.