Finding the Fourth Proportional to 93,579.76, 129,147.74 and 53,306.12
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Solution
The fourth proportional to 93,579.76, 129,147.74 and 53,306.12 is: 73,566.82
Step by Step Solution
- Step 1: Write the proportion equation
93,579.76 : 129,147.74 = 53,306.12 : x - Step 2: Convert to fraction form
93,579.76/129,147.74 = 53,306.12/x - Step 3: Cross multiply
93,579.76x = 129,147.74 × 53,306.12 - Step 4: Simplify right side
93,579.76x = 6,884,364,926.17 - Step 5: Solve for x
x = 6,884,364,926.17/93,579.76 - Step 6: Final answer
x = 73,566.82
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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.