Finding the Fourth Proportional to 86,724.18, 130,027.06 and 46,203.75
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Solution
The fourth proportional to 86,724.18, 130,027.06 and 46,203.75 is: 69,274.08
Step by Step Solution
- Step 1: Write the proportion equation
86,724.18 : 130,027.06 = 46,203.75 : x - Step 2: Convert to fraction form
86,724.18/130,027.06 = 46,203.75/x - Step 3: Cross multiply
86,724.18x = 130,027.06 × 46,203.75 - Step 4: Simplify right side
86,724.18x = 6,007,737,831.23 - Step 5: Solve for x
x = 6,007,737,831.23/86,724.18 - Step 6: Final answer
x = 69,274.08
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1.5x scale
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.