Finding the Fourth Proportional to 88,318.19, 121,877.91 and 48,031.08
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Solution
The fourth proportional to 88,318.19, 121,877.91 and 48,031.08 is: 66,282.25
Step by Step Solution
- Step 1: Write the proportion equation
88,318.19 : 121,877.91 = 48,031.08 : x - Step 2: Convert to fraction form
88,318.19/121,877.91 = 48,031.08/x - Step 3: Cross multiply
88,318.19x = 121,877.91 × 48,031.08 - Step 4: Simplify right side
88,318.19x = 5,853,927,645.44 - Step 5: Solve for x
x = 5,853,927,645.44/88,318.19 - Step 6: Final answer
x = 66,282.25
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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.