Finding the Fourth Proportional to 88,267.68, 121,811.76 and 47,984.14
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Solution
The fourth proportional to 88,267.68, 121,811.76 and 47,984.14 is: 66,219.40
Step by Step Solution
- Step 1: Write the proportion equation
88,267.68 : 121,811.76 = 47,984.14 : x - Step 2: Convert to fraction form
88,267.68/121,811.76 = 47,984.14/x - Step 3: Cross multiply
88,267.68x = 121,811.76 × 47,984.14 - Step 4: Simplify right side
88,267.68x = 5,845,032,545.49 - Step 5: Solve for x
x = 5,845,032,545.49/88,267.68 - Step 6: Final answer
x = 66,219.40
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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.