Finding the Fourth Proportional to 84,345.90, 116,378.58 and 48,535.91
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Solution
The fourth proportional to 84,345.90, 116,378.58 and 48,535.91 is: 66,968.75
Step by Step Solution
- Step 1: Write the proportion equation
84,345.90 : 116,378.58 = 48,535.91 : x - Step 2: Convert to fraction form
84,345.90/116,378.58 = 48,535.91/x - Step 3: Cross multiply
84,345.90x = 116,378.58 × 48,535.91 - Step 4: Simplify right side
84,345.90x = 5,648,539,702.91 - Step 5: Solve for x
x = 5,648,539,702.91/84,345.90 - Step 6: Final answer
x = 66,968.75
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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.