Finding the Fourth Proportional to 92,487.05, 138,748.06 and 29,323.07
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Solution
The fourth proportional to 92,487.05, 138,748.06 and 29,323.07 is: 43,990.14
Step by Step Solution
- Step 1: Write the proportion equation
92,487.05 : 138,748.06 = 29,323.07 : x - Step 2: Convert to fraction form
92,487.05/138,748.06 = 29,323.07/x - Step 3: Cross multiply
92,487.05x = 138,748.06 × 29,323.07 - Step 4: Simplify right side
92,487.05x = 4,068,518,537.11 - Step 5: Solve for x
x = 4,068,518,537.11/92,487.05 - Step 6: Final answer
x = 43,990.14
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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.