Finding the Fourth Proportional to 98,281.44, 135,625.68 and 53,569.44
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Solution
The fourth proportional to 98,281.44, 135,625.68 and 53,569.44 is: 73,924.35
Step by Step Solution
- Step 1: Write the proportion equation
98,281.44 : 135,625.68 = 53,569.44 : x - Step 2: Convert to fraction form
98,281.44/135,625.68 = 53,569.44/x - Step 3: Cross multiply
98,281.44x = 135,625.68 × 53,569.44 - Step 4: Simplify right side
98,281.44x = 7,265,391,727.22 - Step 5: Solve for x
x = 7,265,391,727.22/98,281.44 - Step 6: Final answer
x = 73,924.35
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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.