Finding the Fourth Proportional to 110,960.64, 153,125.84 and 60,659.68
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Solution
The fourth proportional to 110,960.64, 153,125.84 and 60,659.68 is: 83,710.44
Step by Step Solution
- Step 1: Write the proportion equation
110,960.64 : 153,125.84 = 60,659.68 : x - Step 2: Convert to fraction form
110,960.64/153,125.84 = 60,659.68/x - Step 3: Cross multiply
110,960.64x = 153,125.84 × 60,659.68 - Step 4: Simplify right side
110,960.64x = 9,288,564,454.13 - Step 5: Solve for x
x = 9,288,564,454.13/110,960.64 - Step 6: Final answer
x = 83,710.44
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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.