Finding the Fourth Proportional to 84,782.48, 117,005.35 and 48,974.00
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Solution
The fourth proportional to 84,782.48, 117,005.35 and 48,974.00 is: 67,587.31
Step by Step Solution
- Step 1: Write the proportion equation
84,782.48 : 117,005.35 = 48,974.00 : x - Step 2: Convert to fraction form
84,782.48/117,005.35 = 48,974.00/x - Step 3: Cross multiply
84,782.48x = 117,005.35 × 48,974.00 - Step 4: Simplify right side
84,782.48x = 5,730,219,303.44 - Step 5: Solve for x
x = 5,730,219,303.44/84,782.48 - Step 6: Final answer
x = 67,587.31
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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.