Finding the Fourth Proportional to 125,124.12, 172,671.32 and 68,537.52
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Solution
The fourth proportional to 125,124.12, 172,671.32 and 68,537.52 is: 94,581.80
Step by Step Solution
- Step 1: Write the proportion equation
125,124.12 : 172,671.32 = 68,537.52 : x - Step 2: Convert to fraction form
125,124.12/172,671.32 = 68,537.52/x - Step 3: Cross multiply
125,124.12x = 172,671.32 × 68,537.52 - Step 4: Simplify right side
125,124.12x = 11,834,464,047.93 - Step 5: Solve for x
x = 11,834,464,047.93/125,124.12 - Step 6: Final answer
x = 94,581.80
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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.