Finding the Fourth Proportional to 117,462.60, 162,099.56 and 63,748.08
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Solution
The fourth proportional to 117,462.60, 162,099.56 and 63,748.08 is: 87,972.99
Step by Step Solution
- Step 1: Write the proportion equation
117,462.60 : 162,099.56 = 63,748.08 : x - Step 2: Convert to fraction form
117,462.60/162,099.56 = 63,748.08/x - Step 3: Cross multiply
117,462.60x = 162,099.56 × 63,748.08 - Step 4: Simplify right side
117,462.60x = 10,333,535,718.84 - Step 5: Solve for x
x = 10,333,535,718.84/117,462.60 - Step 6: Final answer
x = 87,972.99
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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.