Finding the Fourth Proportional to 94,925.68, 130,987.68 and 54,631.60
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Solution
The fourth proportional to 94,925.68, 130,987.68 and 54,631.60 is: 75,385.99
Step by Step Solution
- Step 1: Write the proportion equation
94,925.68 : 130,987.68 = 54,631.60 : x - Step 2: Convert to fraction form
94,925.68/130,987.68 = 54,631.60/x - Step 3: Cross multiply
94,925.68x = 130,987.68 × 54,631.60 - Step 4: Simplify right side
94,925.68x = 7,156,066,538.69 - Step 5: Solve for x
x = 7,156,066,538.69/94,925.68 - Step 6: Final answer
x = 75,385.99
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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.