Finding the Fourth Proportional to 124,297.79, 171,518.16 and 69,841.31
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Solution
The fourth proportional to 124,297.79, 171,518.16 and 69,841.31 is: 96,373.82
Step by Step Solution
- Step 1: Write the proportion equation
124,297.79 : 171,518.16 = 69,841.31 : x - Step 2: Convert to fraction form
124,297.79/171,518.16 = 69,841.31/x - Step 3: Cross multiply
124,297.79x = 171,518.16 × 69,841.31 - Step 4: Simplify right side
124,297.79x = 11,979,052,125.60 - Step 5: Solve for x
x = 11,979,052,125.60/124,297.79 - Step 6: Final answer
x = 96,373.82
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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.