Finding the Fourth Proportional to 86,702.69, 130,054.01 and 24,373.19
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Solution
The fourth proportional to 86,702.69, 130,054.01 and 24,373.19 is: 36,559.78
Step by Step Solution
- Step 1: Write the proportion equation
86,702.69 : 130,054.01 = 24,373.19 : x - Step 2: Convert to fraction form
86,702.69/130,054.01 = 24,373.19/x - Step 3: Cross multiply
86,702.69x = 130,054.01 × 24,373.19 - Step 4: Simplify right side
86,702.69x = 3,169,830,974.13 - Step 5: Solve for x
x = 3,169,830,974.13/86,702.69 - Step 6: Final answer
x = 36,559.78
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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.