Finding the Fourth Proportional to 99,460.63, 137,257.91 and 56,442.95
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Solution
The fourth proportional to 99,460.63, 137,257.91 and 56,442.95 is: 77,892.54
Step by Step Solution
- Step 1: Write the proportion equation
99,460.63 : 137,257.91 = 56,442.95 : x - Step 2: Convert to fraction form
99,460.63/137,257.91 = 56,442.95/x - Step 3: Cross multiply
99,460.63x = 137,257.91 × 56,442.95 - Step 4: Simplify right side
99,460.63x = 7,747,241,351.23 - Step 5: Solve for x
x = 7,747,241,351.23/99,460.63 - Step 6: Final answer
x = 77,892.54
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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.