Finding the Fourth Proportional to 97,950.88, 135,227.74 and 74,937.42
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Solution
The fourth proportional to 97,950.88, 135,227.74 and 74,937.42 is: 103,456.12
Step by Step Solution
- Step 1: Write the proportion equation
97,950.88 : 135,227.74 = 74,937.42 : x - Step 2: Convert to fraction form
97,950.88/135,227.74 = 74,937.42/x - Step 3: Cross multiply
97,950.88x = 135,227.74 × 74,937.42 - Step 4: Simplify right side
97,950.88x = 10,133,617,948.03 - Step 5: Solve for x
x = 10,133,617,948.03/97,950.88 - Step 6: Final answer
x = 103,456.12
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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.