Finding the Fourth Proportional to 79,053.19, 118,551.44 and 22,881.68
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Solution
The fourth proportional to 79,053.19, 118,551.44 and 22,881.68 is: 34,314.31
Step by Step Solution
- Step 1: Write the proportion equation
79,053.19 : 118,551.44 = 22,881.68 : x - Step 2: Convert to fraction form
79,053.19/118,551.44 = 22,881.68/x - Step 3: Cross multiply
79,053.19x = 118,551.44 × 22,881.68 - Step 4: Simplify right side
79,053.19x = 2,712,656,066.86 - Step 5: Solve for x
x = 2,712,656,066.86/79,053.19 - Step 6: Final answer
x = 34,314.31
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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.