Finding the Fourth Proportional to 92,395.02, 138,563.34 and 58,637.46
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Solution
The fourth proportional to 92,395.02, 138,563.34 and 58,637.46 is: 87,937.66
Step by Step Solution
- Step 1: Write the proportion equation
92,395.02 : 138,563.34 = 58,637.46 : x - Step 2: Convert to fraction form
92,395.02/138,563.34 = 58,637.46/x - Step 3: Cross multiply
92,395.02x = 138,563.34 × 58,637.46 - Step 4: Simplify right side
92,395.02x = 8,125,002,306.72 - Step 5: Solve for x
x = 8,125,002,306.72/92,395.02 - Step 6: Final answer
x = 87,937.66
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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.