Finding the Fourth Proportional to 68,823.53, 103,148.27 and 39,258.08
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Solution
The fourth proportional to 68,823.53, 103,148.27 and 39,258.08 is: 58,837.48
Step by Step Solution
- Step 1: Write the proportion equation
68,823.53 : 103,148.27 = 39,258.08 : x - Step 2: Convert to fraction form
68,823.53/103,148.27 = 39,258.08/x - Step 3: Cross multiply
68,823.53x = 103,148.27 × 39,258.08 - Step 4: Simplify right side
68,823.53x = 4,049,402,839.23 - Step 5: Solve for x
x = 4,049,402,839.23/68,823.53 - Step 6: Final answer
x = 58,837.48
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.