Finding the Fourth Proportional to 112,407.48, 155,122.33 and 62,106.48
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Solution
The fourth proportional to 112,407.48, 155,122.33 and 62,106.48 is: 85,706.95
Step by Step Solution
- Step 1: Write the proportion equation
112,407.48 : 155,122.33 = 62,106.48 : x - Step 2: Convert to fraction form
112,407.48/155,122.33 = 62,106.48/x - Step 3: Cross multiply
112,407.48x = 155,122.33 × 62,106.48 - Step 4: Simplify right side
112,407.48x = 9,634,101,885.70 - Step 5: Solve for x
x = 9,634,101,885.70/112,407.48 - Step 6: Final answer
x = 85,706.95
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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.