Finding the Fourth Proportional to 97,460.80, 134,432.49 and 68,822.08
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Solution
The fourth proportional to 97,460.80, 134,432.49 and 68,822.08 is: 94,929.69
Step by Step Solution
- Step 1: Write the proportion equation
97,460.80 : 134,432.49 = 68,822.08 : x - Step 2: Convert to fraction form
97,460.80/134,432.49 = 68,822.08/x - Step 3: Cross multiply
97,460.80x = 134,432.49 × 68,822.08 - Step 4: Simplify right side
97,460.80x = 9,251,923,581.38 - Step 5: Solve for x
x = 9,251,923,581.38/97,460.80 - Step 6: Final answer
x = 94,929.69
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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.