Finding the Fourth Proportional to 77,924.14, 107,509.98 and 47,677.92
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Solution
The fourth proportional to 77,924.14, 107,509.98 and 47,677.92 is: 65,780.03
Step by Step Solution
- Step 1: Write the proportion equation
77,924.14 : 107,509.98 = 47,677.92 : x - Step 2: Convert to fraction form
77,924.14/107,509.98 = 47,677.92/x - Step 3: Cross multiply
77,924.14x = 107,509.98 × 47,677.92 - Step 4: Simplify right side
77,924.14x = 5,125,852,225.64 - Step 5: Solve for x
x = 5,125,852,225.64/77,924.14 - Step 6: Final answer
x = 65,780.03
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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.