Finding the Fourth Proportional to 125,659.61, 173,411.25 and 69,070.99
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Solution
The fourth proportional to 125,659.61, 173,411.25 and 69,070.99 is: 95,318.51
Step by Step Solution
- Step 1: Write the proportion equation
125,659.61 : 173,411.25 = 69,070.99 : x - Step 2: Convert to fraction form
125,659.61/173,411.25 = 69,070.99/x - Step 3: Cross multiply
125,659.61x = 173,411.25 × 69,070.99 - Step 4: Simplify right side
125,659.61x = 11,977,686,714.64 - Step 5: Solve for x
x = 11,977,686,714.64/125,659.61 - Step 6: Final answer
x = 95,318.51
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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.