Finding the Fourth Proportional to 99,073.83, 136,796.75 and 60,886.08
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Solution
The fourth proportional to 99,073.83, 136,796.75 and 60,886.08 is: 84,068.79
Step by Step Solution
- Step 1: Write the proportion equation
99,073.83 : 136,796.75 = 60,886.08 : x - Step 2: Convert to fraction form
99,073.83/136,796.75 = 60,886.08/x - Step 3: Cross multiply
99,073.83x = 136,796.75 × 60,886.08 - Step 4: Simplify right side
99,073.83x = 8,329,017,788.13 - Step 5: Solve for x
x = 8,329,017,788.13/99,073.83 - Step 6: Final answer
x = 84,068.79
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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.