Finding the Fourth Proportional to 92,555.18, 138,831.54 and 22,435.10
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Solution
The fourth proportional to 92,555.18, 138,831.54 and 22,435.10 is: 33,652.35
Step by Step Solution
- Step 1: Write the proportion equation
92,555.18 : 138,831.54 = 22,435.10 : x - Step 2: Convert to fraction form
92,555.18/138,831.54 = 22,435.10/x - Step 3: Cross multiply
92,555.18x = 138,831.54 × 22,435.10 - Step 4: Simplify right side
92,555.18x = 3,114,699,483.05 - Step 5: Solve for x
x = 3,114,699,483.05/92,555.18 - Step 6: Final answer
x = 33,652.35
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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.