Finding the Fourth Proportional to 83,348.34, 124,983.63 and 48,298.02
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Solution
The fourth proportional to 83,348.34, 124,983.63 and 48,298.02 is: 72,424.50
Step by Step Solution
- Step 1: Write the proportion equation
83,348.34 : 124,983.63 = 48,298.02 : x - Step 2: Convert to fraction form
83,348.34/124,983.63 = 48,298.02/x - Step 3: Cross multiply
83,348.34x = 124,983.63 × 48,298.02 - Step 4: Simplify right side
83,348.34x = 6,036,461,861.41 - Step 5: Solve for x
x = 6,036,461,861.41/83,348.34 - Step 6: Final answer
x = 72,424.50
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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.