Finding the Fourth Proportional to 68,474.19, 102,626.46 and 38,802.06
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Solution
The fourth proportional to 68,474.19, 102,626.46 and 38,802.06 is: 58,155.02
Step by Step Solution
- Step 1: Write the proportion equation
68,474.19 : 102,626.46 = 38,802.06 : x - Step 2: Convert to fraction form
68,474.19/102,626.46 = 38,802.06/x - Step 3: Cross multiply
68,474.19x = 102,626.46 × 38,802.06 - Step 4: Simplify right side
68,474.19x = 3,982,118,058.51 - Step 5: Solve for x
x = 3,982,118,058.51/68,474.19 - Step 6: Final answer
x = 58,155.02
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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.