Finding the Fourth Proportional to 97,866.83, 135,065.75 and 54,853.65
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Solution
The fourth proportional to 97,866.83, 135,065.75 and 54,853.65 is: 75,703.37
Step by Step Solution
- Step 1: Write the proportion equation
97,866.83 : 135,065.75 = 54,853.65 : x - Step 2: Convert to fraction form
97,866.83/135,065.75 = 54,853.65/x - Step 3: Cross multiply
97,866.83x = 135,065.75 × 54,853.65 - Step 4: Simplify right side
97,866.83x = 7,408,849,103.22 - Step 5: Solve for x
x = 7,408,849,103.22/97,866.83 - Step 6: Final answer
x = 75,703.37
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1.5x scale
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.