Finding the Fourth Proportional to 93,772.16, 129,405.93 and 51,334.64
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Solution
The fourth proportional to 93,772.16, 129,405.93 and 51,334.64 is: 70,841.99
Step by Step Solution
- Step 1: Write the proportion equation
93,772.16 : 129,405.93 = 51,334.64 : x - Step 2: Convert to fraction form
93,772.16/129,405.93 = 51,334.64/x - Step 3: Cross multiply
93,772.16x = 129,405.93 × 51,334.64 - Step 4: Simplify right side
93,772.16x = 6,643,006,830.42 - Step 5: Solve for x
x = 6,643,006,830.42/93,772.16 - Step 6: Final answer
x = 70,841.99
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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.