Finding the Fourth Proportional to 97,580.04, 134,692.16 and 57,292.80
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Solution
The fourth proportional to 97,580.04, 134,692.16 and 57,292.80 is: 79,082.68
Step by Step Solution
- Step 1: Write the proportion equation
97,580.04 : 134,692.16 = 57,292.80 : x - Step 2: Convert to fraction form
97,580.04/134,692.16 = 57,292.80/x - Step 3: Cross multiply
97,580.04x = 134,692.16 × 57,292.80 - Step 4: Simplify right side
97,580.04x = 7,716,890,984.45 - Step 5: Solve for x
x = 7,716,890,984.45/97,580.04 - Step 6: Final answer
x = 79,082.68
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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.