Finding the Fourth Proportional to 88,337.74, 121,909.08 and 50,619.28
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Solution
The fourth proportional to 88,337.74, 121,909.08 and 50,619.28 is: 69,856.32
Step by Step Solution
- Step 1: Write the proportion equation
88,337.74 : 121,909.08 = 50,619.28 : x - Step 2: Convert to fraction form
88,337.74/121,909.08 = 50,619.28/x - Step 3: Cross multiply
88,337.74x = 121,909.08 × 50,619.28 - Step 4: Simplify right side
88,337.74x = 6,170,949,855.06 - Step 5: Solve for x
x = 6,170,949,855.06/88,337.74 - Step 6: Final answer
x = 69,856.32
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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.