Finding the Fourth Proportional to 97,657.84, 134,718.36 and 61,787.44
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Solution
The fourth proportional to 97,657.84, 134,718.36 and 61,787.44 is: 85,235.37
Step by Step Solution
- Step 1: Write the proportion equation
97,657.84 : 134,718.36 = 61,787.44 : x - Step 2: Convert to fraction form
97,657.84/134,718.36 = 61,787.44/x - Step 3: Cross multiply
97,657.84x = 134,718.36 × 61,787.44 - Step 4: Simplify right side
97,657.84x = 8,323,902,585.40 - Step 5: Solve for x
x = 8,323,902,585.40/97,657.84 - Step 6: Final answer
x = 85,235.37
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1.5x scale
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.