Finding the Fourth Proportional to 85,304.86, 127,952.68 and 26,140.70
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Solution
The fourth proportional to 85,304.86, 127,952.68 and 26,140.70 is: 39,209.64
Step by Step Solution
- Step 1: Write the proportion equation
85,304.86 : 127,952.68 = 26,140.70 : x - Step 2: Convert to fraction form
85,304.86/127,952.68 = 26,140.70/x - Step 3: Cross multiply
85,304.86x = 127,952.68 × 26,140.70 - Step 4: Simplify right side
85,304.86x = 3,344,772,622.08 - Step 5: Solve for x
x = 3,344,772,622.08/85,304.86 - Step 6: Final answer
x = 39,209.64
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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.