Finding the Fourth Proportional to 88,781.84, 122,522.54 and 51,056.09
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Solution
The fourth proportional to 88,781.84, 122,522.54 and 51,056.09 is: 70,459.47
Step by Step Solution
- Step 1: Write the proportion equation
88,781.84 : 122,522.54 = 51,056.09 : x - Step 2: Convert to fraction form
88,781.84/122,522.54 = 51,056.09/x - Step 3: Cross multiply
88,781.84x = 122,522.54 × 51,056.09 - Step 4: Simplify right side
88,781.84x = 6,255,520,961.38 - Step 5: Solve for x
x = 6,255,520,961.38/88,781.84 - Step 6: Final answer
x = 70,459.47
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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.