Finding the Fourth Proportional to 93,239.68, 128,665.68 and 52,952.44
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Solution
The fourth proportional to 93,239.68, 128,665.68 and 52,952.44 is: 73,071.48
Step by Step Solution
- Step 1: Write the proportion equation
93,239.68 : 128,665.68 = 52,952.44 : x - Step 2: Convert to fraction form
93,239.68/128,665.68 = 52,952.44/x - Step 3: Cross multiply
93,239.68x = 128,665.68 × 52,952.44 - Step 4: Simplify right side
93,239.68x = 6,813,161,700.26 - Step 5: Solve for x
x = 6,813,161,700.26/93,239.68 - Step 6: Final answer
x = 73,071.48
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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.