Finding the Fourth Proportional to 93,178.36, 128,586.63 and 50,737.96
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Solution
The fourth proportional to 93,178.36, 128,586.63 and 50,737.96 is: 70,018.65
Step by Step Solution
- Step 1: Write the proportion equation
93,178.36 : 128,586.63 = 50,737.96 : x - Step 2: Convert to fraction form
93,178.36/128,586.63 = 50,737.96/x - Step 3: Cross multiply
93,178.36x = 128,586.63 × 50,737.96 - Step 4: Simplify right side
93,178.36x = 6,524,223,289.47 - Step 5: Solve for x
x = 6,524,223,289.47/93,178.36 - Step 6: Final answer
x = 70,018.65
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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.