Finding the Fourth Proportional to 124,594.11, 171,938.70 and 68,005.53
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Solution
The fourth proportional to 124,594.11, 171,938.70 and 68,005.53 is: 93,846.99
Step by Step Solution
- Step 1: Write the proportion equation
124,594.11 : 171,938.70 = 68,005.53 : x - Step 2: Convert to fraction form
124,594.11/171,938.70 = 68,005.53/x - Step 3: Cross multiply
124,594.11x = 171,938.70 × 68,005.53 - Step 4: Simplify right side
124,594.11x = 11,692,782,421.01 - Step 5: Solve for x
x = 11,692,782,421.01/124,594.11 - Step 6: Final answer
x = 93,846.99
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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.