Finding the Fourth Proportional to 98,604.24, 136,058.12 and 56,163.60
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Solution
The fourth proportional to 98,604.24, 136,058.12 and 56,163.60 is: 77,496.81
Step by Step Solution
- Step 1: Write the proportion equation
98,604.24 : 136,058.12 = 56,163.60 : x - Step 2: Convert to fraction form
98,604.24/136,058.12 = 56,163.60/x - Step 3: Cross multiply
98,604.24x = 136,058.12 × 56,163.60 - Step 4: Simplify right side
98,604.24x = 7,641,513,828.43 - Step 5: Solve for x
x = 7,641,513,828.43/98,604.24 - Step 6: Final answer
x = 77,496.81
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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.