Finding the Fourth Proportional to 124,402.30, 171,675.18 and 67,813.68
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Solution
The fourth proportional to 124,402.30, 171,675.18 and 67,813.68 is: 93,582.88
Step by Step Solution
- Step 1: Write the proportion equation
124,402.30 : 171,675.18 = 67,813.68 : x - Step 2: Convert to fraction form
124,402.30/171,675.18 = 67,813.68/x - Step 3: Cross multiply
124,402.30x = 171,675.18 × 67,813.68 - Step 4: Simplify right side
124,402.30x = 11,641,925,720.46 - Step 5: Solve for x
x = 11,641,925,720.46/124,402.30 - Step 6: Final answer
x = 93,582.88
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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.