Finding the Fourth Proportional to 94,520.05, 141,780.08 and 77,813.08
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Solution
The fourth proportional to 94,520.05, 141,780.08 and 77,813.08 is: 116,719.63
Step by Step Solution
- Step 1: Write the proportion equation
94,520.05 : 141,780.08 = 77,813.08 : x - Step 2: Convert to fraction form
94,520.05/141,780.08 = 77,813.08/x - Step 3: Cross multiply
94,520.05x = 141,780.08 × 77,813.08 - Step 4: Simplify right side
94,520.05x = 11,032,344,547.53 - Step 5: Solve for x
x = 11,032,344,547.53/94,520.05 - Step 6: Final answer
x = 116,719.63
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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.