Finding the Fourth Proportional to 88,041.32, 121,329.06 and 62,847.08
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Solution
The fourth proportional to 88,041.32, 121,329.06 and 62,847.08 is: 86,609.07
Step by Step Solution
- Step 1: Write the proportion equation
88,041.32 : 121,329.06 = 62,847.08 : x - Step 2: Convert to fraction form
88,041.32/121,329.06 = 62,847.08/x - Step 3: Cross multiply
88,041.32x = 121,329.06 × 62,847.08 - Step 4: Simplify right side
88,041.32x = 7,625,177,140.14 - Step 5: Solve for x
x = 7,625,177,140.14/88,041.32 - Step 6: Final answer
x = 86,609.07
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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.