Finding the Fourth Proportional to 86,955.84, 130,454.94 and 26,982.84
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Solution
The fourth proportional to 86,955.84, 130,454.94 and 26,982.84 is: 40,480.83
Step by Step Solution
- Step 1: Write the proportion equation
86,955.84 : 130,454.94 = 26,982.84 : x - Step 2: Convert to fraction form
86,955.84/130,454.94 = 26,982.84/x - Step 3: Cross multiply
86,955.84x = 130,454.94 × 26,982.84 - Step 4: Simplify right side
86,955.84x = 3,520,044,773.23 - Step 5: Solve for x
x = 3,520,044,773.23/86,955.84 - Step 6: Final answer
x = 40,480.83
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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.