Finding the Fourth Proportional to 98,848.46, 136,405.47 and 58,565.94
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Solution
The fourth proportional to 98,848.46, 136,405.47 and 58,565.94 is: 80,817.80
Step by Step Solution
- Step 1: Write the proportion equation
98,848.46 : 136,405.47 = 58,565.94 : x - Step 2: Convert to fraction form
98,848.46/136,405.47 = 58,565.94/x - Step 3: Cross multiply
98,848.46x = 136,405.47 × 58,565.94 - Step 4: Simplify right side
98,848.46x = 7,988,714,571.69 - Step 5: Solve for x
x = 7,988,714,571.69/98,848.46 - Step 6: Final answer
x = 80,817.80
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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.