Finding the Fourth Proportional to 84,026.40, 125,920.80 and 46,602.96
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Solution
The fourth proportional to 84,026.40, 125,920.80 and 46,602.96 is: 69,838.55
Step by Step Solution
- Step 1: Write the proportion equation
84,026.40 : 125,920.80 = 46,602.96 : x - Step 2: Convert to fraction form
84,026.40/125,920.80 = 46,602.96/x - Step 3: Cross multiply
84,026.40x = 125,920.80 × 46,602.96 - Step 4: Simplify right side
84,026.40x = 5,868,282,005.57 - Step 5: Solve for x
x = 5,868,282,005.57/84,026.40 - Step 6: Final answer
x = 69,838.55
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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.