Finding the Fourth Proportional to 97,432.24, 134,478.96 and 57,158.94
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Solution
The fourth proportional to 97,432.24, 134,478.96 and 57,158.94 is: 78,892.52
Step by Step Solution
- Step 1: Write the proportion equation
97,432.24 : 134,478.96 = 57,158.94 : x - Step 2: Convert to fraction form
97,432.24/134,478.96 = 57,158.94/x - Step 3: Cross multiply
97,432.24x = 134,478.96 × 57,158.94 - Step 4: Simplify right side
97,432.24x = 7,686,674,805.90 - Step 5: Solve for x
x = 7,686,674,805.90/97,432.24 - Step 6: Final answer
x = 78,892.52
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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.