Finding the Fourth Proportional to 93,553.63, 129,067.36 and 57,681.36
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Solution
The fourth proportional to 93,553.63, 129,067.36 and 57,681.36 is: 79,577.68
Step by Step Solution
- Step 1: Write the proportion equation
93,553.63 : 129,067.36 = 57,681.36 : x - Step 2: Convert to fraction form
93,553.63/129,067.36 = 57,681.36/x - Step 3: Cross multiply
93,553.63x = 129,067.36 × 57,681.36 - Step 4: Simplify right side
93,553.63x = 7,444,780,712.21 - Step 5: Solve for x
x = 7,444,780,712.21/93,553.63 - Step 6: Final answer
x = 79,577.68
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1.5x scale
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.