Finding the Fourth Proportional to 89,952.08, 134,927.46 and 29,985.12
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Solution
The fourth proportional to 89,952.08, 134,927.46 and 29,985.12 is: 44,977.46
Step by Step Solution
- Step 1: Write the proportion equation
89,952.08 : 134,927.46 = 29,985.12 : x - Step 2: Convert to fraction form
89,952.08/134,927.46 = 29,985.12/x - Step 3: Cross multiply
89,952.08x = 134,927.46 × 29,985.12 - Step 4: Simplify right side
89,952.08x = 4,045,816,079.40 - Step 5: Solve for x
x = 4,045,816,079.40/89,952.08 - Step 6: Final answer
x = 44,977.46
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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.