Finding the Fourth Proportional to 88,162.56, 121,681.98 and 52,372.44
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Solution
The fourth proportional to 88,162.56, 121,681.98 and 52,372.44 is: 72,284.45
Step by Step Solution
- Step 1: Write the proportion equation
88,162.56 : 121,681.98 = 52,372.44 : x - Step 2: Convert to fraction form
88,162.56/121,681.98 = 52,372.44/x - Step 3: Cross multiply
88,162.56x = 121,681.98 × 52,372.44 - Step 4: Simplify right side
88,162.56x = 6,372,782,196.63 - Step 5: Solve for x
x = 6,372,782,196.63/88,162.56 - Step 6: Final answer
x = 72,284.45
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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.