Finding the Fourth Proportional to 93,263.13, 128,702.93 and 50,821.56
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Solution
The fourth proportional to 93,263.13, 128,702.93 and 50,821.56 is: 70,133.65
Step by Step Solution
- Step 1: Write the proportion equation
93,263.13 : 128,702.93 = 50,821.56 : x - Step 2: Convert to fraction form
93,263.13/128,702.93 = 50,821.56/x - Step 3: Cross multiply
93,263.13x = 128,702.93 × 50,821.56 - Step 4: Simplify right side
93,263.13x = 6,540,883,425.06 - Step 5: Solve for x
x = 6,540,883,425.06/93,263.13 - Step 6: Final answer
x = 70,133.65
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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.