Finding the Fourth Proportional to 85,026.47, 126,789.58 and 84,267.63
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Solution
The fourth proportional to 85,026.47, 126,789.58 and 84,267.63 is: 125,658.00
Step by Step Solution
- Step 1: Write the proportion equation
85,026.47 : 126,789.58 = 84,267.63 : x - Step 2: Convert to fraction form
85,026.47/126,789.58 = 84,267.63/x - Step 3: Cross multiply
85,026.47x = 126,789.58 × 84,267.63 - Step 4: Simplify right side
85,026.47x = 10,684,256,838.70 - Step 5: Solve for x
x = 10,684,256,838.70/85,026.47 - Step 6: Final answer
x = 125,658.00
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.