Finding the Fourth Proportional to 93,670.02, 129,318.12 and 61,930.98
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Solution
The fourth proportional to 93,670.02, 129,318.12 and 61,930.98 is: 85,500.12
Step by Step Solution
- Step 1: Write the proportion equation
93,670.02 : 129,318.12 = 61,930.98 : x - Step 2: Convert to fraction form
93,670.02/129,318.12 = 61,930.98/x - Step 3: Cross multiply
93,670.02x = 129,318.12 × 61,930.98 - Step 4: Simplify right side
93,670.02x = 8,008,797,903.36 - Step 5: Solve for x
x = 8,008,797,903.36/93,670.02 - Step 6: Final answer
x = 85,500.12
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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.