Finding the Fourth Proportional to 84,089.75, 116,044.77 and 45,848.99
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Solution
The fourth proportional to 84,089.75, 116,044.77 and 45,848.99 is: 63,272.10
Step by Step Solution
- Step 1: Write the proportion equation
84,089.75 : 116,044.77 = 45,848.99 : x - Step 2: Convert to fraction form
84,089.75/116,044.77 = 45,848.99/x - Step 3: Cross multiply
84,089.75x = 116,044.77 × 45,848.99 - Step 4: Simplify right side
84,089.75x = 5,320,535,270.04 - Step 5: Solve for x
x = 5,320,535,270.04/84,089.75 - Step 6: Final answer
x = 63,272.10
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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.