Finding the Fourth Proportional to 99,370.24, 137,115.84 and 56,347.36
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Solution
The fourth proportional to 99,370.24, 137,115.84 and 56,347.36 is: 77,750.80
Step by Step Solution
- Step 1: Write the proportion equation
99,370.24 : 137,115.84 = 56,347.36 : x - Step 2: Convert to fraction form
99,370.24/137,115.84 = 56,347.36/x - Step 3: Cross multiply
99,370.24x = 137,115.84 × 56,347.36 - Step 4: Simplify right side
99,370.24x = 7,726,115,598.18 - Step 5: Solve for x
x = 7,726,115,598.18/99,370.24 - Step 6: Final answer
x = 77,750.80
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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.