Finding the Fourth Proportional to 125,073.08, 172,599.12 and 68,484.45
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Solution
The fourth proportional to 125,073.08, 172,599.12 and 68,484.45 is: 94,507.60
Step by Step Solution
- Step 1: Write the proportion equation
125,073.08 : 172,599.12 = 68,484.45 : x - Step 2: Convert to fraction form
125,073.08/172,599.12 = 68,484.45/x - Step 3: Cross multiply
125,073.08x = 172,599.12 × 68,484.45 - Step 4: Simplify right side
125,073.08x = 11,820,355,803.68 - Step 5: Solve for x
x = 11,820,355,803.68/125,073.08 - Step 6: Final answer
x = 94,507.60
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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.