Finding the Fourth Proportional to 84,488.14, 116,619.60 and 48,702.07
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Solution
The fourth proportional to 84,488.14, 116,619.60 and 48,702.07 is: 67,223.82
Step by Step Solution
- Step 1: Write the proportion equation
84,488.14 : 116,619.60 = 48,702.07 : x - Step 2: Convert to fraction form
84,488.14/116,619.60 = 48,702.07/x - Step 3: Cross multiply
84,488.14x = 116,619.60 × 48,702.07 - Step 4: Simplify right side
84,488.14x = 5,679,615,922.57 - Step 5: Solve for x
x = 5,679,615,922.57/84,488.14 - Step 6: Final answer
x = 67,223.82
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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.