Finding the Fourth Proportional to 98,737.29, 136,237.32 and 58,430.88
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Solution
The fourth proportional to 98,737.29, 136,237.32 and 58,430.88 is: 80,622.70
Step by Step Solution
- Step 1: Write the proportion equation
98,737.29 : 136,237.32 = 58,430.88 : x - Step 2: Convert to fraction form
98,737.29/136,237.32 = 58,430.88/x - Step 3: Cross multiply
98,737.29x = 136,237.32 × 58,430.88 - Step 4: Simplify right side
98,737.29x = 7,960,466,496.44 - Step 5: Solve for x
x = 7,960,466,496.44/98,737.29 - Step 6: Final answer
x = 80,622.70
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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.