Finding the Fourth Proportional to 104,068.93, 143,615.58 and 56,322.28
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Solution
The fourth proportional to 104,068.93, 143,615.58 and 56,322.28 is: 77,724.99
Step by Step Solution
- Step 1: Write the proportion equation
104,068.93 : 143,615.58 = 56,322.28 : x - Step 2: Convert to fraction form
104,068.93/143,615.58 = 56,322.28/x - Step 3: Cross multiply
104,068.93x = 143,615.58 × 56,322.28 - Step 4: Simplify right side
104,068.93x = 8,088,756,909.12 - Step 5: Solve for x
x = 8,088,756,909.12/104,068.93 - Step 6: Final answer
x = 77,724.99
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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.