Finding the Fourth Proportional to 83,409.13, 124,799.79 and 58,497.80
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Solution
The fourth proportional to 83,409.13, 124,799.79 and 58,497.80 is: 87,526.55
Step by Step Solution
- Step 1: Write the proportion equation
83,409.13 : 124,799.79 = 58,497.80 : x - Step 2: Convert to fraction form
83,409.13/124,799.79 = 58,497.80/x - Step 3: Cross multiply
83,409.13x = 124,799.79 × 58,497.80 - Step 4: Simplify right side
83,409.13x = 7,300,513,155.46 - Step 5: Solve for x
x = 7,300,513,155.46/83,409.13 - Step 6: Final answer
x = 87,526.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.