Finding the Fourth Proportional to 83,252.20, 124,878.30 and 48,281.80
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Solution
The fourth proportional to 83,252.20, 124,878.30 and 48,281.80 is: 72,422.70
Step by Step Solution
- Step 1: Write the proportion equation
83,252.20 : 124,878.30 = 48,281.80 : x - Step 2: Convert to fraction form
83,252.20/124,878.30 = 48,281.80/x - Step 3: Cross multiply
83,252.20x = 124,878.30 × 48,281.80 - Step 4: Simplify right side
83,252.20x = 6,029,349,104.94 - Step 5: Solve for x
x = 6,029,349,104.94/83,252.20 - Step 6: Final answer
x = 72,422.70
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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.