Finding the Fourth Proportional to 84,735.84, 116,952.48 and 48,931.68
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Solution
The fourth proportional to 84,735.84, 116,952.48 and 48,931.68 is: 67,535.55
Step by Step Solution
- Step 1: Write the proportion equation
84,735.84 : 116,952.48 = 48,931.68 : x - Step 2: Convert to fraction form
84,735.84/116,952.48 = 48,931.68/x - Step 3: Cross multiply
84,735.84x = 116,952.48 × 48,931.68 - Step 4: Simplify right side
84,735.84x = 5,722,681,326.57 - Step 5: Solve for x
x = 5,722,681,326.57/84,735.84 - Step 6: Final answer
x = 67,535.55
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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.