Finding the Fourth Proportional to 93,880.88, 129,558.65 and 51,442.14
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Solution
The fourth proportional to 93,880.88, 129,558.65 and 51,442.14 is: 70,991.82
Step by Step Solution
- Step 1: Write the proportion equation
93,880.88 : 129,558.65 = 51,442.14 : x - Step 2: Convert to fraction form
93,880.88/129,558.65 = 51,442.14/x - Step 3: Cross multiply
93,880.88x = 129,558.65 × 51,442.14 - Step 4: Simplify right side
93,880.88x = 6,664,773,954.30 - Step 5: Solve for x
x = 6,664,773,954.30/93,880.88 - Step 6: Final answer
x = 70,991.82
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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.