Finding the Fourth Proportional to 93,178.62, 128,590.02 and 52,894.08
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Solution
The fourth proportional to 93,178.62, 128,590.02 and 52,894.08 is: 72,995.83
Step by Step Solution
- Step 1: Write the proportion equation
93,178.62 : 128,590.02 = 52,894.08 : x - Step 2: Convert to fraction form
93,178.62/128,590.02 = 52,894.08/x - Step 3: Cross multiply
93,178.62x = 128,590.02 × 52,894.08 - Step 4: Simplify right side
93,178.62x = 6,801,650,805.08 - Step 5: Solve for x
x = 6,801,650,805.08/93,178.62 - Step 6: Final answer
x = 72,995.83
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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.