Finding the Fourth Proportional to 74,868.12, 112,264.65 and 24,930.63
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Solution
The fourth proportional to 74,868.12, 112,264.65 and 24,930.63 is: 37,383.45
Step by Step Solution
- Step 1: Write the proportion equation
74,868.12 : 112,264.65 = 24,930.63 : x - Step 2: Convert to fraction form
74,868.12/112,264.65 = 24,930.63/x - Step 3: Cross multiply
74,868.12x = 112,264.65 × 24,930.63 - Step 4: Simplify right side
74,868.12x = 2,798,828,451.23 - Step 5: Solve for x
x = 2,798,828,451.23/74,868.12 - Step 6: Final answer
x = 37,383.45
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1.5x scale
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.