Finding the Fourth Proportional to 99,107.36, 136,773.66 and 56,089.07
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Solution
The fourth proportional to 99,107.36, 136,773.66 and 56,089.07 is: 77,406.03
Step by Step Solution
- Step 1: Write the proportion equation
99,107.36 : 136,773.66 = 56,089.07 : x - Step 2: Convert to fraction form
99,107.36/136,773.66 = 56,089.07/x - Step 3: Cross multiply
99,107.36x = 136,773.66 × 56,089.07 - Step 4: Simplify right side
99,107.36x = 7,671,507,429.26 - Step 5: Solve for x
x = 7,671,507,429.26/99,107.36 - Step 6: Final answer
x = 77,406.03
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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.