Finding the Fourth Proportional to 94,391.65, 130,248.63 and 63,831.23
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Solution
The fourth proportional to 94,391.65, 130,248.63 and 63,831.23 is: 88,079.09
Step by Step Solution
- Step 1: Write the proportion equation
94,391.65 : 130,248.63 = 63,831.23 : x - Step 2: Convert to fraction form
94,391.65/130,248.63 = 63,831.23/x - Step 3: Cross multiply
94,391.65x = 130,248.63 × 63,831.23 - Step 4: Simplify right side
94,391.65x = 8,313,930,641.75 - Step 5: Solve for x
x = 8,313,930,641.75/94,391.65 - Step 6: Final answer
x = 88,079.09
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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.