Finding the Fourth Proportional to 77,068.68, 106,340.34 and 48,754.44
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Solution
The fourth proportional to 77,068.68, 106,340.34 and 48,754.44 is: 67,271.99
Step by Step Solution
- Step 1: Write the proportion equation
77,068.68 : 106,340.34 = 48,754.44 : x - Step 2: Convert to fraction form
77,068.68/106,340.34 = 48,754.44/x - Step 3: Cross multiply
77,068.68x = 106,340.34 × 48,754.44 - Step 4: Simplify right side
77,068.68x = 5,184,563,726.11 - Step 5: Solve for x
x = 5,184,563,726.11/77,068.68 - Step 6: Final answer
x = 67,271.99
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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.