Finding the Fourth Proportional to 74,689.68, 112,053.68 and 24,783.76
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Solution
The fourth proportional to 74,689.68, 112,053.68 and 24,783.76 is: 37,182.00
Step by Step Solution
- Step 1: Write the proportion equation
74,689.68 : 112,053.68 = 24,783.76 : x - Step 2: Convert to fraction form
74,689.68/112,053.68 = 24,783.76/x - Step 3: Cross multiply
74,689.68x = 112,053.68 × 24,783.76 - Step 4: Simplify right side
74,689.68x = 2,777,111,512.24 - Step 5: Solve for x
x = 2,777,111,512.24/74,689.68 - Step 6: Final answer
x = 37,182.00
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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.