Finding the Fourth Proportional to 83,220.51, 124,831.68 and 24,056.70
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Solution
The fourth proportional to 83,220.51, 124,831.68 and 24,056.70 is: 36,085.31
Step by Step Solution
- Step 1: Write the proportion equation
83,220.51 : 124,831.68 = 24,056.70 : x - Step 2: Convert to fraction form
83,220.51/124,831.68 = 24,056.70/x - Step 3: Cross multiply
83,220.51x = 124,831.68 × 24,056.70 - Step 4: Simplify right side
83,220.51x = 3,003,038,276.26 - Step 5: Solve for x
x = 3,003,038,276.26/83,220.51 - Step 6: Final answer
x = 36,085.31
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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.