Finding the Fourth Proportional to 92,952.12, 139,428.18 and 22,831.41
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Solution
The fourth proportional to 92,952.12, 139,428.18 and 22,831.41 is: 34,247.12
Step by Step Solution
- Step 1: Write the proportion equation
92,952.12 : 139,428.18 = 22,831.41 : x - Step 2: Convert to fraction form
92,952.12/139,428.18 = 22,831.41/x - Step 3: Cross multiply
92,952.12x = 139,428.18 × 22,831.41 - Step 4: Simplify right side
92,952.12x = 3,183,341,943.13 - Step 5: Solve for x
x = 3,183,341,943.13/92,952.12 - Step 6: Final answer
x = 34,247.12
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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.