Finding the Fourth Proportional to 77,455.04, 116,188.12 and 32,431.08
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Solution
The fourth proportional to 77,455.04, 116,188.12 and 32,431.08 is: 48,648.95
Step by Step Solution
- Step 1: Write the proportion equation
77,455.04 : 116,188.12 = 32,431.08 : x - Step 2: Convert to fraction form
77,455.04/116,188.12 = 32,431.08/x - Step 3: Cross multiply
77,455.04x = 116,188.12 × 32,431.08 - Step 4: Simplify right side
77,455.04x = 3,768,106,214.77 - Step 5: Solve for x
x = 3,768,106,214.77/77,455.04 - Step 6: Final answer
x = 48,648.95
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.