Finding the Fourth Proportional to 98,125.08, 135,404.88 and 55,683.61
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Solution
The fourth proportional to 98,125.08, 135,404.88 and 55,683.61 is: 76,838.99
Step by Step Solution
- Step 1: Write the proportion equation
98,125.08 : 135,404.88 = 55,683.61 : x - Step 2: Convert to fraction form
98,125.08/135,404.88 = 55,683.61/x - Step 3: Cross multiply
98,125.08x = 135,404.88 × 55,683.61 - Step 4: Simplify right side
98,125.08x = 7,539,832,530.02 - Step 5: Solve for x
x = 7,539,832,530.02/98,125.08 - Step 6: Final answer
x = 76,838.99
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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.