Finding the Fourth Proportional to 98,656.21, 148,006.23 and 46,036.99
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Solution
The fourth proportional to 98,656.21, 148,006.23 and 46,036.99 is: 69,065.71
Step by Step Solution
- Step 1: Write the proportion equation
98,656.21 : 148,006.23 = 46,036.99 : x - Step 2: Convert to fraction form
98,656.21/148,006.23 = 46,036.99/x - Step 3: Cross multiply
98,656.21x = 148,006.23 × 46,036.99 - Step 4: Simplify right side
98,656.21x = 6,813,760,960.43 - Step 5: Solve for x
x = 6,813,760,960.43/98,656.21 - Step 6: Final answer
x = 69,065.71
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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.