Finding the Fourth Proportional to 87,925.96, 121,332.08 and 56,091.44
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Solution
The fourth proportional to 87,925.96, 121,332.08 and 56,091.44 is: 77,402.52
Step by Step Solution
- Step 1: Write the proportion equation
87,925.96 : 121,332.08 = 56,091.44 : x - Step 2: Convert to fraction form
87,925.96/121,332.08 = 56,091.44/x - Step 3: Cross multiply
87,925.96x = 121,332.08 × 56,091.44 - Step 4: Simplify right side
87,925.96x = 6,805,691,085.40 - Step 5: Solve for x
x = 6,805,691,085.40/87,925.96 - Step 6: Final answer
x = 77,402.52
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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.