Finding the Fourth Proportional to 93,902.84, 129,582.08 and 56,197.88
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Solution
The fourth proportional to 93,902.84, 129,582.08 and 56,197.88 is: 77,550.78
Step by Step Solution
- Step 1: Write the proportion equation
93,902.84 : 129,582.08 = 56,197.88 : x - Step 2: Convert to fraction form
93,902.84/129,582.08 = 56,197.88/x - Step 3: Cross multiply
93,902.84x = 129,582.08 × 56,197.88 - Step 4: Simplify right side
93,902.84x = 7,282,238,181.99 - Step 5: Solve for x
x = 7,282,238,181.99/93,902.84 - Step 6: Final answer
x = 77,550.78
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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.