Finding the Fourth Proportional to 117,071.87, 161,559.58 and 63,356.87
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Solution
The fourth proportional to 117,071.87, 161,559.58 and 63,356.87 is: 87,432.70
Step by Step Solution
- Step 1: Write the proportion equation
117,071.87 : 161,559.58 = 63,356.87 : x - Step 2: Convert to fraction form
117,071.87/161,559.58 = 63,356.87/x - Step 3: Cross multiply
117,071.87x = 161,559.58 × 63,356.87 - Step 4: Simplify right side
117,071.87x = 10,235,909,307.31 - Step 5: Solve for x
x = 10,235,909,307.31/117,071.87 - Step 6: Final answer
x = 87,432.70
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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.