Finding the Fourth Proportional to 107,659.84, 161,489.88 and 48,484.48
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Solution
The fourth proportional to 107,659.84, 161,489.88 and 48,484.48 is: 72,726.77
Step by Step Solution
- Step 1: Write the proportion equation
107,659.84 : 161,489.88 = 48,484.48 : x - Step 2: Convert to fraction form
107,659.84/161,489.88 = 48,484.48/x - Step 3: Cross multiply
107,659.84x = 161,489.88 × 48,484.48 - Step 4: Simplify right side
107,659.84x = 7,829,752,857.06 - Step 5: Solve for x
x = 7,829,752,857.06/107,659.84 - Step 6: Final answer
x = 72,726.77
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.