Finding the Fourth Proportional to 104,427.99, 144,110.74 and 56,681.32
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Solution
The fourth proportional to 104,427.99, 144,110.74 and 56,681.32 is: 78,220.28
Step by Step Solution
- Step 1: Write the proportion equation
104,427.99 : 144,110.74 = 56,681.32 : x - Step 2: Convert to fraction form
104,427.99/144,110.74 = 56,681.32/x - Step 3: Cross multiply
104,427.99x = 144,110.74 × 56,681.32 - Step 4: Simplify right side
104,427.99x = 8,168,386,969.38 - Step 5: Solve for x
x = 8,168,386,969.38/104,427.99 - Step 6: Final answer
x = 78,220.28
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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.