Finding the Fourth Proportional to 93,777.36, 129,412.62 and 51,335.88
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Solution
The fourth proportional to 93,777.36, 129,412.62 and 51,335.88 is: 70,843.44
Step by Step Solution
- Step 1: Write the proportion equation
93,777.36 : 129,412.62 = 51,335.88 : x - Step 2: Convert to fraction form
93,777.36/129,412.62 = 51,335.88/x - Step 3: Cross multiply
93,777.36x = 129,412.62 × 51,335.88 - Step 4: Simplify right side
93,777.36x = 6,643,510,730.81 - Step 5: Solve for x
x = 6,643,510,730.81/93,777.36 - Step 6: Final answer
x = 70,843.44
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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.