Finding the Fourth Proportional to 94,809.20, 130,831.44 and 58,998.08
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Solution
The fourth proportional to 94,809.20, 130,831.44 and 58,998.08 is: 81,414.08
Step by Step Solution
- Step 1: Write the proportion equation
94,809.20 : 130,831.44 = 58,998.08 : x - Step 2: Convert to fraction form
94,809.20/130,831.44 = 58,998.08/x - Step 3: Cross multiply
94,809.20x = 130,831.44 × 58,998.08 - Step 4: Simplify right side
94,809.20x = 7,718,803,763.64 - Step 5: Solve for x
x = 7,718,803,763.64/94,809.20 - Step 6: Final answer
x = 81,414.08
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1.5x scale
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.