Finding the Fourth Proportional to 88,778.84, 122,518.40 and 51,053.09
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Solution
The fourth proportional to 88,778.84, 122,518.40 and 51,053.09 is: 70,455.33
Step by Step Solution
- Step 1: Write the proportion equation
88,778.84 : 122,518.40 = 51,053.09 : x - Step 2: Convert to fraction form
88,778.84/122,518.40 = 51,053.09/x - Step 3: Cross multiply
88,778.84x = 122,518.40 × 51,053.09 - Step 4: Simplify right side
88,778.84x = 6,254,942,034.00 - Step 5: Solve for x
x = 6,254,942,034.00/88,778.84 - Step 6: Final answer
x = 70,455.33
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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.