Finding the Fourth Proportional to 75,671.98, 104,377.33 and 47,328.46
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Solution
The fourth proportional to 75,671.98, 104,377.33 and 47,328.46 is: 65,282.00
Step by Step Solution
- Step 1: Write the proportion equation
75,671.98 : 104,377.33 = 47,328.46 : x - Step 2: Convert to fraction form
75,671.98/104,377.33 = 47,328.46/x - Step 3: Cross multiply
75,671.98x = 104,377.33 × 47,328.46 - Step 4: Simplify right side
75,671.98x = 4,940,018,287.81 - Step 5: Solve for x
x = 4,940,018,287.81/75,671.98 - Step 6: Final answer
x = 65,282.00
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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.