Finding the Fourth Proportional to 93,414.08, 140,071.64 and 40,762.08
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Solution
The fourth proportional to 93,414.08, 140,071.64 and 40,762.08 is: 61,121.53
Step by Step Solution
- Step 1: Write the proportion equation
93,414.08 : 140,071.64 = 40,762.08 : x - Step 2: Convert to fraction form
93,414.08/140,071.64 = 40,762.08/x - Step 3: Cross multiply
93,414.08x = 140,071.64 × 40,762.08 - Step 4: Simplify right side
93,414.08x = 5,709,611,395.41 - Step 5: Solve for x
x = 5,709,611,395.41/93,414.08 - Step 6: Final answer
x = 61,121.53
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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.