Finding the Fourth Proportional to 104,652.04, 144,421.62 and 56,905.70
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Solution
The fourth proportional to 104,652.04, 144,421.62 and 56,905.70 is: 78,530.85
Step by Step Solution
- Step 1: Write the proportion equation
104,652.04 : 144,421.62 = 56,905.70 : x - Step 2: Convert to fraction form
104,652.04/144,421.62 = 56,905.70/x - Step 3: Cross multiply
104,652.04x = 144,421.62 × 56,905.70 - Step 4: Simplify right side
104,652.04x = 8,218,413,381.23 - Step 5: Solve for x
x = 8,218,413,381.23/104,652.04 - Step 6: Final answer
x = 78,530.85
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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.