Finding the Fourth Proportional to 97,626.99, 134,726.22 and 57,353.70
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Solution
The fourth proportional to 97,626.99, 134,726.22 and 57,353.70 is: 79,148.68
Step by Step Solution
- Step 1: Write the proportion equation
97,626.99 : 134,726.22 = 57,353.70 : x - Step 2: Convert to fraction form
97,626.99/134,726.22 = 57,353.70/x - Step 3: Cross multiply
97,626.99x = 134,726.22 × 57,353.70 - Step 4: Simplify right side
97,626.99x = 7,727,047,204.01 - Step 5: Solve for x
x = 7,727,047,204.01/97,626.99 - Step 6: Final answer
x = 79,148.68
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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.