Finding the Fourth Proportional to 92,612.13, 138,918.89 and 26,058.99
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Solution
The fourth proportional to 92,612.13, 138,918.89 and 26,058.99 is: 39,088.68
Step by Step Solution
- Step 1: Write the proportion equation
92,612.13 : 138,918.89 = 26,058.99 : x - Step 2: Convert to fraction form
92,612.13/138,918.89 = 26,058.99/x - Step 3: Cross multiply
92,612.13x = 138,918.89 × 26,058.99 - Step 4: Simplify right side
92,612.13x = 3,620,085,965.32 - Step 5: Solve for x
x = 3,620,085,965.32/92,612.13 - Step 6: Final answer
x = 39,088.68
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1.5x scale
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.