Finding the Fourth Proportional to 96,780.24, 133,559.10 and 54,337.68
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Solution
The fourth proportional to 96,780.24, 133,559.10 and 54,337.68 is: 74,987.33
Step by Step Solution
- Step 1: Write the proportion equation
96,780.24 : 133,559.10 = 54,337.68 : x - Step 2: Convert to fraction form
96,780.24/133,559.10 = 54,337.68/x - Step 3: Cross multiply
96,780.24x = 133,559.10 × 54,337.68 - Step 4: Simplify right side
96,780.24x = 7,257,291,636.89 - Step 5: Solve for x
x = 7,257,291,636.89/96,780.24 - Step 6: Final answer
x = 74,987.33
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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.