Finding the Fourth Proportional to 94,750.60, 142,125.90 and 79,313.80
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Solution
The fourth proportional to 94,750.60, 142,125.90 and 79,313.80 is: 118,970.70
Step by Step Solution
- Step 1: Write the proportion equation
94,750.60 : 142,125.90 = 79,313.80 : x - Step 2: Convert to fraction form
94,750.60/142,125.90 = 79,313.80/x - Step 3: Cross multiply
94,750.60x = 142,125.90 × 79,313.80 - Step 4: Simplify right side
94,750.60x = 11,272,545,207.42 - Step 5: Solve for x
x = 11,272,545,207.42/94,750.60 - Step 6: Final answer
x = 118,970.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.