Finding the Fourth Proportional to 97,798.95, 134,769.02 and 69,425.19
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Solution
The fourth proportional to 97,798.95, 134,769.02 and 69,425.19 is: 95,669.38
Step by Step Solution
- Step 1: Write the proportion equation
97,798.95 : 134,769.02 = 69,425.19 : x - Step 2: Convert to fraction form
97,798.95/134,769.02 = 69,425.19/x - Step 3: Cross multiply
97,798.95x = 134,769.02 × 69,425.19 - Step 4: Simplify right side
97,798.95x = 9,356,364,472.49 - Step 5: Solve for x
x = 9,356,364,472.49/97,798.95 - Step 6: Final answer
x = 95,669.38
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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.