Finding the Fourth Proportional to 83,875.92, 115,747.76 and 62,461.48
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Solution
The fourth proportional to 83,875.92, 115,747.76 and 62,461.48 is: 86,196.09
Step by Step Solution
- Step 1: Write the proportion equation
83,875.92 : 115,747.76 = 62,461.48 : x - Step 2: Convert to fraction form
83,875.92/115,747.76 = 62,461.48/x - Step 3: Cross multiply
83,875.92x = 115,747.76 × 62,461.48 - Step 4: Simplify right side
83,875.92x = 7,229,776,396.28 - Step 5: Solve for x
x = 7,229,776,396.28/83,875.92 - Step 6: Final answer
x = 86,196.09
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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.