Finding the Fourth Proportional to 76,158.28, 105,088.98 and 44,332.84
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Solution
The fourth proportional to 76,158.28, 105,088.98 and 44,332.84 is: 61,173.82
Step by Step Solution
- Step 1: Write the proportion equation
76,158.28 : 105,088.98 = 44,332.84 : x - Step 2: Convert to fraction form
76,158.28/105,088.98 = 44,332.84/x - Step 3: Cross multiply
76,158.28x = 105,088.98 × 44,332.84 - Step 4: Simplify right side
76,158.28x = 4,658,892,936.10 - Step 5: Solve for x
x = 4,658,892,936.10/76,158.28 - Step 6: Final answer
x = 61,173.82
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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.