Finding the Fourth Proportional to 79,937.77, 110,317.70 and 45,957.26
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Solution
The fourth proportional to 79,937.77, 110,317.70 and 45,957.26 is: 63,423.07
Step by Step Solution
- Step 1: Write the proportion equation
79,937.77 : 110,317.70 = 45,957.26 : x - Step 2: Convert to fraction form
79,937.77/110,317.70 = 45,957.26/x - Step 3: Cross multiply
79,937.77x = 110,317.70 × 45,957.26 - Step 4: Simplify right side
79,937.77x = 5,069,898,440.13 - Step 5: Solve for x
x = 5,069,898,440.13/79,937.77 - Step 6: Final answer
x = 63,423.07
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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.