Finding the Fourth Proportional to 92,769.04, 139,170.09 and 29,603.02
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Solution
The fourth proportional to 92,769.04, 139,170.09 and 29,603.02 is: 44,409.80
Step by Step Solution
- Step 1: Write the proportion equation
92,769.04 : 139,170.09 = 29,603.02 : x - Step 2: Convert to fraction form
92,769.04/139,170.09 = 29,603.02/x - Step 3: Cross multiply
92,769.04x = 139,170.09 × 29,603.02 - Step 4: Simplify right side
92,769.04x = 4,119,854,957.67 - Step 5: Solve for x
x = 4,119,854,957.67/92,769.04 - Step 6: Final answer
x = 44,409.80
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.