Finding the Fourth Proportional to 93,948.88, 129,657.63 and 51,515.68
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Solution
The fourth proportional to 93,948.88, 129,657.63 and 51,515.68 is: 71,096.12
Step by Step Solution
- Step 1: Write the proportion equation
93,948.88 : 129,657.63 = 51,515.68 : x - Step 2: Convert to fraction form
93,948.88/129,657.63 = 51,515.68/x - Step 3: Cross multiply
93,948.88x = 129,657.63 × 51,515.68 - Step 4: Simplify right side
93,948.88x = 6,679,400,976.64 - Step 5: Solve for x
x = 6,679,400,976.64/93,948.88 - Step 6: Final answer
x = 71,096.12
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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.