Finding the Fourth Proportional to 88,319.93, 121,864.97 and 52,518.74
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Solution
The fourth proportional to 88,319.93, 121,864.97 and 52,518.74 is: 72,466.03
Step by Step Solution
- Step 1: Write the proportion equation
88,319.93 : 121,864.97 = 52,518.74 : x - Step 2: Convert to fraction form
88,319.93/121,864.97 = 52,518.74/x - Step 3: Cross multiply
88,319.93x = 121,864.97 × 52,518.74 - Step 4: Simplify right side
88,319.93x = 6,400,194,196.51 - Step 5: Solve for x
x = 6,400,194,196.51/88,319.93 - Step 6: Final answer
x = 72,466.03
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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.