Finding the Fourth Proportional to 104,787.74, 157,041.41 and 51,398.07
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Solution
The fourth proportional to 104,787.74, 157,041.41 and 51,398.07 is: 77,028.34
Step by Step Solution
- Step 1: Write the proportion equation
104,787.74 : 157,041.41 = 51,398.07 : x - Step 2: Convert to fraction form
104,787.74/157,041.41 = 51,398.07/x - Step 3: Cross multiply
104,787.74x = 157,041.41 × 51,398.07 - Step 4: Simplify right side
104,787.74x = 8,071,625,127.09 - Step 5: Solve for x
x = 8,071,625,127.09/104,787.74 - Step 6: Final answer
x = 77,028.34
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.