Finding the Fourth Proportional to 83,392.13, 125,101.16 and 28,001.09
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Solution
The fourth proportional to 83,392.13, 125,101.16 and 28,001.09 is: 42,005.98
Step by Step Solution
- Step 1: Write the proportion equation
83,392.13 : 125,101.16 = 28,001.09 : x - Step 2: Convert to fraction form
83,392.13/125,101.16 = 28,001.09/x - Step 3: Cross multiply
83,392.13x = 125,101.16 × 28,001.09 - Step 4: Simplify right side
83,392.13x = 3,502,968,074.75 - Step 5: Solve for x
x = 3,502,968,074.75/83,392.13 - Step 6: Final answer
x = 42,005.98
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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.