Finding the Fourth Proportional to 92,237.13, 138,042.92 and 56,720.75
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Solution
The fourth proportional to 92,237.13, 138,042.92 and 56,720.75 is: 84,888.78
Step by Step Solution
- Step 1: Write the proportion equation
92,237.13 : 138,042.92 = 56,720.75 : x - Step 2: Convert to fraction form
92,237.13/138,042.92 = 56,720.75/x - Step 3: Cross multiply
92,237.13x = 138,042.92 × 56,720.75 - Step 4: Simplify right side
92,237.13x = 7,829,897,406.18 - Step 5: Solve for x
x = 7,829,897,406.18/92,237.13 - Step 6: Final answer
x = 84,888.78
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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.