Finding the Fourth Proportional to 74,627.97, 102,977.91 and 44,423.07
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Solution
The fourth proportional to 74,627.97, 102,977.91 and 44,423.07 is: 61,298.66
Step by Step Solution
- Step 1: Write the proportion equation
74,627.97 : 102,977.91 = 44,423.07 : x - Step 2: Convert to fraction form
74,627.97/102,977.91 = 44,423.07/x - Step 3: Cross multiply
74,627.97x = 102,977.91 × 44,423.07 - Step 4: Simplify right side
74,627.97x = 4,574,594,904.38 - Step 5: Solve for x
x = 4,574,594,904.38/74,627.97 - Step 6: Final answer
x = 61,298.66
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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.