Finding the Fourth Proportional to 74,625.24, 102,937.59 and 47,758.26
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Solution
The fourth proportional to 74,625.24, 102,937.59 and 47,758.26 is: 65,877.45
Step by Step Solution
- Step 1: Write the proportion equation
74,625.24 : 102,937.59 = 47,758.26 : x - Step 2: Convert to fraction form
74,625.24/102,937.59 = 47,758.26/x - Step 3: Cross multiply
74,625.24x = 102,937.59 × 47,758.26 - Step 4: Simplify right side
74,625.24x = 4,916,120,186.99 - Step 5: Solve for x
x = 4,916,120,186.99/74,625.24 - Step 6: Final answer
x = 65,877.45
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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.