Finding the Fourth Proportional to 83,335.36, 115,009.68 and 47,526.88
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Solution
The fourth proportional to 83,335.36, 115,009.68 and 47,526.88 is: 65,591.02
Step by Step Solution
- Step 1: Write the proportion equation
83,335.36 : 115,009.68 = 47,526.88 : x - Step 2: Convert to fraction form
83,335.36/115,009.68 = 47,526.88/x - Step 3: Cross multiply
83,335.36x = 115,009.68 × 47,526.88 - Step 4: Simplify right side
83,335.36x = 5,466,051,260.20 - Step 5: Solve for x
x = 5,466,051,260.20/83,335.36 - Step 6: Final answer
x = 65,591.02
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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.