Finding the Fourth Proportional to 94,985.51, 142,425.60 and 38,864.99
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Solution
The fourth proportional to 94,985.51, 142,425.60 and 38,864.99 is: 58,275.94
Step by Step Solution
- Step 1: Write the proportion equation
94,985.51 : 142,425.60 = 38,864.99 : x - Step 2: Convert to fraction form
94,985.51/142,425.60 = 38,864.99/x - Step 3: Cross multiply
94,985.51x = 142,425.60 × 38,864.99 - Step 4: Simplify right side
94,985.51x = 5,535,369,519.74 - Step 5: Solve for x
x = 5,535,369,519.74/94,985.51 - Step 6: Final answer
x = 58,275.94
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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.