Finding the Fourth Proportional to 92,845.99, 128,232.99 and 62,579.14
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Solution
The fourth proportional to 92,845.99, 128,232.99 and 62,579.14 is: 86,430.34
Step by Step Solution
- Step 1: Write the proportion equation
92,845.99 : 128,232.99 = 62,579.14 : x - Step 2: Convert to fraction form
92,845.99/128,232.99 = 62,579.14/x - Step 3: Cross multiply
92,845.99x = 128,232.99 × 62,579.14 - Step 4: Simplify right side
92,845.99x = 8,024,710,233.83 - Step 5: Solve for x
x = 8,024,710,233.83/92,845.99 - Step 6: Final answer
x = 86,430.34
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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.