Finding the Fourth Proportional to 83,725.52, 115,539.36 and 45,484.08
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Solution
The fourth proportional to 83,725.52, 115,539.36 and 45,484.08 is: 62,767.02
Step by Step Solution
- Step 1: Write the proportion equation
83,725.52 : 115,539.36 = 45,484.08 : x - Step 2: Convert to fraction form
83,725.52/115,539.36 = 45,484.08/x - Step 3: Cross multiply
83,725.52x = 115,539.36 × 45,484.08 - Step 4: Simplify right side
83,725.52x = 5,255,201,493.39 - Step 5: Solve for x
x = 5,255,201,493.39/83,725.52 - Step 6: Final answer
x = 62,767.02
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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.