Finding the Fourth Proportional to 97,435.08, 134,454.06 and 54,987.84
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Solution
The fourth proportional to 97,435.08, 134,454.06 and 54,987.84 is: 75,879.64
Step by Step Solution
- Step 1: Write the proportion equation
97,435.08 : 134,454.06 = 54,987.84 : x - Step 2: Convert to fraction form
97,435.08/134,454.06 = 54,987.84/x - Step 3: Cross multiply
97,435.08x = 134,454.06 × 54,987.84 - Step 4: Simplify right side
97,435.08x = 7,393,338,338.63 - Step 5: Solve for x
x = 7,393,338,338.63/97,435.08 - Step 6: Final answer
x = 75,879.64
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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.