Finding the Fourth Proportional to 70,876.76, 106,315.13 and 48,622.68
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Solution
The fourth proportional to 70,876.76, 106,315.13 and 48,622.68 is: 72,934.02
Step by Step Solution
- Step 1: Write the proportion equation
70,876.76 : 106,315.13 = 48,622.68 : x - Step 2: Convert to fraction form
70,876.76/106,315.13 = 48,622.68/x - Step 3: Cross multiply
70,876.76x = 106,315.13 × 48,622.68 - Step 4: Simplify right side
70,876.76x = 5,169,326,666.71 - Step 5: Solve for x
x = 5,169,326,666.71/70,876.76 - Step 6: Final answer
x = 72,934.02
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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.