Finding the Fourth Proportional to 83,363.04, 115,040.99 and 45,637.29
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Solution
The fourth proportional to 83,363.04, 115,040.99 and 45,637.29 is: 62,979.45
Step by Step Solution
- Step 1: Write the proportion equation
83,363.04 : 115,040.99 = 45,637.29 : x - Step 2: Convert to fraction form
83,363.04/115,040.99 = 45,637.29/x - Step 3: Cross multiply
83,363.04x = 115,040.99 × 45,637.29 - Step 4: Simplify right side
83,363.04x = 5,250,158,219.13 - Step 5: Solve for x
x = 5,250,158,219.13/83,363.04 - Step 6: Final answer
x = 62,979.45
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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.