Finding the Fourth Proportional to 97,868.13, 135,058.02 and 53,156.13
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Solution
The fourth proportional to 97,868.13, 135,058.02 and 53,156.13 is: 73,355.46
Step by Step Solution
- Step 1: Write the proportion equation
97,868.13 : 135,058.02 = 53,156.13 : x - Step 2: Convert to fraction form
97,868.13/135,058.02 = 53,156.13/x - Step 3: Cross multiply
97,868.13x = 135,058.02 × 53,156.13 - Step 4: Simplify right side
97,868.13x = 7,179,161,668.66 - Step 5: Solve for x
x = 7,179,161,668.66/97,868.13 - Step 6: Final answer
x = 73,355.46
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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.