Finding the Fourth Proportional to 99,829.94, 149,670.99 and 47,177.91
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Solution
The fourth proportional to 99,829.94, 149,670.99 and 47,177.91 is: 70,731.94
Step by Step Solution
- Step 1: Write the proportion equation
99,829.94 : 149,670.99 = 47,177.91 : x - Step 2: Convert to fraction form
99,829.94/149,670.99 = 47,177.91/x - Step 3: Cross multiply
99,829.94x = 149,670.99 × 47,177.91 - Step 4: Simplify right side
99,829.94x = 7,061,164,495.83 - Step 5: Solve for x
x = 7,061,164,495.83/99,829.94 - Step 6: Final answer
x = 70,731.94
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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.