Finding the Fourth Proportional to 101,810.62, 140,493.79 and 56,488.08
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Solution
The fourth proportional to 101,810.62, 140,493.79 and 56,488.08 is: 77,950.86
Step by Step Solution
- Step 1: Write the proportion equation
101,810.62 : 140,493.79 = 56,488.08 : x - Step 2: Convert to fraction form
101,810.62/140,493.79 = 56,488.08/x - Step 3: Cross multiply
101,810.62x = 140,493.79 × 56,488.08 - Step 4: Simplify right side
101,810.62x = 7,936,225,046.49 - Step 5: Solve for x
x = 7,936,225,046.49/101,810.62 - Step 6: Final answer
x = 77,950.86
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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.