Finding the Fourth Proportional to 124,942.05, 187,412.93 and 40,702.08
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Solution
The fourth proportional to 124,942.05, 187,412.93 and 40,702.08 is: 61,053.07
Step by Step Solution
- Step 1: Write the proportion equation
124,942.05 : 187,412.93 = 40,702.08 : x - Step 2: Convert to fraction form
124,942.05/187,412.93 = 40,702.08/x - Step 3: Cross multiply
124,942.05x = 187,412.93 × 40,702.08 - Step 4: Simplify right side
124,942.05x = 7,628,095,866.38 - Step 5: Solve for x
x = 7,628,095,866.38/124,942.05 - Step 6: Final answer
x = 61,053.07
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.