Finding the Fourth Proportional to 117,579.08, 162,260.30 and 63,865.14
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Solution
The fourth proportional to 117,579.08, 162,260.30 and 63,865.14 is: 88,134.53
Step by Step Solution
- Step 1: Write the proportion equation
117,579.08 : 162,260.30 = 63,865.14 : x - Step 2: Convert to fraction form
117,579.08/162,260.30 = 63,865.14/x - Step 3: Cross multiply
117,579.08x = 162,260.30 × 63,865.14 - Step 4: Simplify right side
117,579.08x = 10,362,776,775.94 - Step 5: Solve for x
x = 10,362,776,775.94/117,579.08 - Step 6: Final answer
x = 88,134.53
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1.5x scale
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.