Finding the Fourth Proportional to 124,637.42, 171,998.70 and 68,048.79
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Solution
The fourth proportional to 124,637.42, 171,998.70 and 68,048.79 is: 93,906.82
Step by Step Solution
- Step 1: Write the proportion equation
124,637.42 : 171,998.70 = 68,048.79 : x - Step 2: Convert to fraction form
124,637.42/171,998.70 = 68,048.79/x - Step 3: Cross multiply
124,637.42x = 171,998.70 × 68,048.79 - Step 4: Simplify right side
124,637.42x = 11,704,303,416.57 - Step 5: Solve for x
x = 11,704,303,416.57/124,637.42 - Step 6: Final answer
x = 93,906.82
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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.