Finding the Fourth Proportional to 84,237.79, 116,248.08 and 48,434.80
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Solution
The fourth proportional to 84,237.79, 116,248.08 and 48,434.80 is: 66,839.98
Step by Step Solution
- Step 1: Write the proportion equation
84,237.79 : 116,248.08 = 48,434.80 : x - Step 2: Convert to fraction form
84,237.79/116,248.08 = 48,434.80/x - Step 3: Cross multiply
84,237.79x = 116,248.08 × 48,434.80 - Step 4: Simplify right side
84,237.79x = 5,630,452,505.18 - Step 5: Solve for x
x = 5,630,452,505.18/84,237.79 - Step 6: Final answer
x = 66,839.98
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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.