Finding the Fourth Proportional to 93,889.70, 129,563.56 and 51,447.32
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Solution
The fourth proportional to 93,889.70, 129,563.56 and 51,447.32 is: 70,994.99
Step by Step Solution
- Step 1: Write the proportion equation
93,889.70 : 129,563.56 = 51,447.32 : x - Step 2: Convert to fraction form
93,889.70/129,563.56 = 51,447.32/x - Step 3: Cross multiply
93,889.70x = 129,563.56 × 51,447.32 - Step 4: Simplify right side
93,889.70x = 6,665,698,319.88 - Step 5: Solve for x
x = 6,665,698,319.88/93,889.70 - Step 6: Final answer
x = 70,994.99
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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.