Finding the Fourth Proportional to 97,950.60, 135,247.86 and 75,253.68
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Solution
The fourth proportional to 97,950.60, 135,247.86 and 75,253.68 is: 103,908.49
Step by Step Solution
- Step 1: Write the proportion equation
97,950.60 : 135,247.86 = 75,253.68 : x - Step 2: Convert to fraction form
97,950.60/135,247.86 = 75,253.68/x - Step 3: Cross multiply
97,950.60x = 135,247.86 × 75,253.68 - Step 4: Simplify right side
97,950.60x = 10,177,899,177.12 - Step 5: Solve for x
x = 10,177,899,177.12/97,950.60 - Step 6: Final answer
x = 103,908.49
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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.