Finding the Fourth Proportional to 88,316.68, 121,875.84 and 48,029.57
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Solution
The fourth proportional to 88,316.68, 121,875.84 and 48,029.57 is: 66,280.17
Step by Step Solution
- Step 1: Write the proportion equation
88,316.68 : 121,875.84 = 48,029.57 : x - Step 2: Convert to fraction form
88,316.68/121,875.84 = 48,029.57/x - Step 3: Cross multiply
88,316.68x = 121,875.84 × 48,029.57 - Step 4: Simplify right side
88,316.68x = 5,853,644,721.80 - Step 5: Solve for x
x = 5,853,644,721.80/88,316.68 - Step 6: Final answer
x = 66,280.17
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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.