Finding the Fourth Proportional to 77,362.80, 106,740.26 and 44,649.08
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Solution
The fourth proportional to 77,362.80, 106,740.26 and 44,649.08 is: 61,603.95
Step by Step Solution
- Step 1: Write the proportion equation
77,362.80 : 106,740.26 = 44,649.08 : x - Step 2: Convert to fraction form
77,362.80/106,740.26 = 44,649.08/x - Step 3: Cross multiply
77,362.80x = 106,740.26 × 44,649.08 - Step 4: Simplify right side
77,362.80x = 4,765,854,407.96 - Step 5: Solve for x
x = 4,765,854,407.96/77,362.80 - Step 6: Final answer
x = 61,603.95
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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.