Finding the Fourth Proportional to 77,473.48, 106,924.12 and 43,483.99
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Solution
The fourth proportional to 77,473.48, 106,924.12 and 43,483.99 is: 60,013.92
Step by Step Solution
- Step 1: Write the proportion equation
77,473.48 : 106,924.12 = 43,483.99 : x - Step 2: Convert to fraction form
77,473.48/106,924.12 = 43,483.99/x - Step 3: Cross multiply
77,473.48x = 106,924.12 × 43,483.99 - Step 4: Simplify right side
77,473.48x = 4,649,487,364.84 - Step 5: Solve for x
x = 4,649,487,364.84/77,473.48 - Step 6: Final answer
x = 60,013.92
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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.