Finding the Fourth Proportional to 107,580.75, 148,461.44 and 62,868.75
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Solution
The fourth proportional to 107,580.75, 148,461.44 and 62,868.75 is: 86,758.88
Step by Step Solution
- Step 1: Write the proportion equation
107,580.75 : 148,461.44 = 62,868.75 : x - Step 2: Convert to fraction form
107,580.75/148,461.44 = 62,868.75/x - Step 3: Cross multiply
107,580.75x = 148,461.44 × 62,868.75 - Step 4: Simplify right side
107,580.75x = 9,333,584,841.66 - Step 5: Solve for x
x = 9,333,584,841.66/107,580.75 - Step 6: Final answer
x = 86,758.88
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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.