Finding the Fourth Proportional to 107,658.09, 148,567.08 and 59,910.63
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Solution
The fourth proportional to 107,658.09, 148,567.08 and 59,910.63 is: 82,676.07
Step by Step Solution
- Step 1: Write the proportion equation
107,658.09 : 148,567.08 = 59,910.63 : x - Step 2: Convert to fraction form
107,658.09/148,567.08 = 59,910.63/x - Step 3: Cross multiply
107,658.09x = 148,567.08 × 59,910.63 - Step 4: Simplify right side
107,658.09x = 8,900,747,360.06 - Step 5: Solve for x
x = 8,900,747,360.06/107,658.09 - Step 6: Final answer
x = 82,676.07
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1.5x scale
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.