Finding the Fourth Proportional to 93,615.17, 129,188.99 and 51,173.71
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Solution
The fourth proportional to 93,615.17, 129,188.99 and 51,173.71 is: 70,619.75
Step by Step Solution
- Step 1: Write the proportion equation
93,615.17 : 129,188.99 = 51,173.71 : x - Step 2: Convert to fraction form
93,615.17/129,188.99 = 51,173.71/x - Step 3: Cross multiply
93,615.17x = 129,188.99 × 51,173.71 - Step 4: Simplify right side
93,615.17x = 6,611,079,714.41 - Step 5: Solve for x
x = 6,611,079,714.41/93,615.17 - Step 6: Final answer
x = 70,619.75
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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.