Finding the Fourth Proportional to 74,366.13, 102,624.52 and 40,373.87
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Solution
The fourth proportional to 74,366.13, 102,624.52 and 40,373.87 is: 55,715.54
Step by Step Solution
- Step 1: Write the proportion equation
74,366.13 : 102,624.52 = 40,373.87 : x - Step 2: Convert to fraction form
74,366.13/102,624.52 = 40,373.87/x - Step 3: Cross multiply
74,366.13x = 102,624.52 × 40,373.87 - Step 4: Simplify right side
74,366.13x = 4,143,349,029.29 - Step 5: Solve for x
x = 4,143,349,029.29/74,366.13 - Step 6: Final answer
x = 55,715.54
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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.