Finding the Fourth Proportional to 97,611.92, 134,603.88 and 83,511.44
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Solution
The fourth proportional to 97,611.92, 134,603.88 and 83,511.44 is: 115,159.75
Step by Step Solution
- Step 1: Write the proportion equation
97,611.92 : 134,603.88 = 83,511.44 : x - Step 2: Convert to fraction form
97,611.92/134,603.88 = 83,511.44/x - Step 3: Cross multiply
97,611.92x = 134,603.88 × 83,511.44 - Step 4: Simplify right side
97,611.92x = 11,240,963,848.39 - Step 5: Solve for x
x = 11,240,963,848.39/97,611.92 - Step 6: Final answer
x = 115,159.75
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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.