Finding the Fourth Proportional to 97,359.09, 134,357.30 and 57,101.91
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Solution
The fourth proportional to 97,359.09, 134,357.30 and 57,101.91 is: 78,801.66
Step by Step Solution
- Step 1: Write the proportion equation
97,359.09 : 134,357.30 = 57,101.91 : x - Step 2: Convert to fraction form
97,359.09/134,357.30 = 57,101.91/x - Step 3: Cross multiply
97,359.09x = 134,357.30 × 57,101.91 - Step 4: Simplify right side
97,359.09x = 7,672,058,166.93 - Step 5: Solve for x
x = 7,672,058,166.93/97,359.09 - Step 6: Final answer
x = 78,801.66
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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.