Finding the Fourth Proportional to 77,246.21, 106,594.61 and 43,248.98
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Solution
The fourth proportional to 77,246.21, 106,594.61 and 43,248.98 is: 59,680.70
Step by Step Solution
- Step 1: Write the proportion equation
77,246.21 : 106,594.61 = 43,248.98 : x - Step 2: Convert to fraction form
77,246.21/106,594.61 = 43,248.98/x - Step 3: Cross multiply
77,246.21x = 106,594.61 × 43,248.98 - Step 4: Simplify right side
77,246.21x = 4,610,107,406.78 - Step 5: Solve for x
x = 4,610,107,406.78/77,246.21 - Step 6: Final answer
x = 59,680.70
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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.