Finding the Fourth Proportional to 86,742.58, 130,113.88 and 24,413.08
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Solution
The fourth proportional to 86,742.58, 130,113.88 and 24,413.08 is: 36,619.62
Step by Step Solution
- Step 1: Write the proportion equation
86,742.58 : 130,113.88 = 24,413.08 : x - Step 2: Convert to fraction form
86,742.58/130,113.88 = 24,413.08/x - Step 3: Cross multiply
86,742.58x = 130,113.88 × 24,413.08 - Step 4: Simplify right side
86,742.58x = 3,176,480,561.55 - Step 5: Solve for x
x = 3,176,480,561.55/86,742.58 - Step 6: Final answer
x = 36,619.62
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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.