Finding the Fourth Proportional to 83,722.08, 115,533.36 and 45,994.08
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Solution
The fourth proportional to 83,722.08, 115,533.36 and 45,994.08 is: 63,470.12
Step by Step Solution
- Step 1: Write the proportion equation
83,722.08 : 115,533.36 = 45,994.08 : x - Step 2: Convert to fraction form
83,722.08/115,533.36 = 45,994.08/x - Step 3: Cross multiply
83,722.08x = 115,533.36 × 45,994.08 - Step 4: Simplify right side
83,722.08x = 5,313,850,602.51 - Step 5: Solve for x
x = 5,313,850,602.51/83,722.08 - Step 6: Final answer
x = 63,470.12
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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.