Finding the Fourth Proportional to 88,503.56, 122,041.14 and 56,673.80
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Solution
The fourth proportional to 88,503.56, 122,041.14 and 56,673.80 is: 78,149.80
Step by Step Solution
- Step 1: Write the proportion equation
88,503.56 : 122,041.14 = 56,673.80 : x - Step 2: Convert to fraction form
88,503.56/122,041.14 = 56,673.80/x - Step 3: Cross multiply
88,503.56x = 122,041.14 × 56,673.80 - Step 4: Simplify right side
88,503.56x = 6,916,535,160.13 - Step 5: Solve for x
x = 6,916,535,160.13/88,503.56 - Step 6: Final answer
x = 78,149.80
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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.