Finding the Fourth Proportional to 97,480.13, 145,887.48 and 81,702.97
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Solution
The fourth proportional to 97,480.13, 145,887.48 and 81,702.97 is: 122,275.59
Step by Step Solution
- Step 1: Write the proportion equation
97,480.13 : 145,887.48 = 81,702.97 : x - Step 2: Convert to fraction form
97,480.13/145,887.48 = 81,702.97/x - Step 3: Cross multiply
97,480.13x = 145,887.48 × 81,702.97 - Step 4: Simplify right side
97,480.13x = 11,919,440,037.10 - Step 5: Solve for x
x = 11,919,440,037.10/97,480.13 - Step 6: Final answer
x = 122,275.59
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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.