Finding the Fourth Proportional to 88,638.98, 122,363.16 and 56,826.02
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Solution
The fourth proportional to 88,638.98, 122,363.16 and 56,826.02 is: 78,446.43
Step by Step Solution
- Step 1: Write the proportion equation
88,638.98 : 122,363.16 = 56,826.02 : x - Step 2: Convert to fraction form
88,638.98/122,363.16 = 56,826.02/x - Step 3: Cross multiply
88,638.98x = 122,363.16 × 56,826.02 - Step 4: Simplify right side
88,638.98x = 6,953,411,470.23 - Step 5: Solve for x
x = 6,953,411,470.23/88,638.98 - Step 6: Final answer
x = 78,446.43
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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.